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23054025554550 = 23252671804342379
BaseRepresentation
bin1010011110111101011110…
…00000001111101001110110
310000121221110200100022102200
411033132233000033221312
511010204121020221200
6121010512332445330
74566412146640254
oct517365700175166
9100557420308380
1023054025554550
117389180454551
122704036619846
13cb2ca68817a3
14599b6c36b5d4
1529ea4c591800
hex14f7af00fa76

23054025554550 has 144 divisors (see below), whose sum is σ = 62867904440640. Its totient is φ = 6055504297920.

The previous prime is 23054025554531. The next prime is 23054025554633. The reversal of 23054025554550 is 5545552045032.

23054025554550 is a `hidden beast` number, since 2 + 3 + 0 + 5 + 4 + 0 + 2 + 55 + 545 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23054025554496 and 23054025554505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 543975261 + ... + 544017639.

Almost surely, 223054025554550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23054025554550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31433952220320).

23054025554550 is an abundant number, since it is smaller than the sum of its proper divisors (39813878886090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23054025554550 is a wasteful number, since it uses less digits than its factorization.

23054025554550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60507 (or 60499 counting only the distinct ones).

The product of its (nonzero) digits is 3000000, while the sum is 45.

Adding to 23054025554550 its reverse (5545552045032), we get a palindrome (28599577599582).

The spelling of 23054025554550 in words is "twenty-three trillion, fifty-four billion, twenty-five million, five hundred fifty-four thousand, five hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 67 75 90 134 150 201 225 335 402 450 603 670 1005 1206 1675 2010 3015 3350 5025 6030 10050 15075 18043 30150 36086 42379 54129 84758 90215 108258 127137 162387 180430 211895 254274 270645 324774 381411 423790 451075 541290 635685 762822 811935 902150 1059475 1208881 1271370 1353225 1623870 1907055 2118950 2417762 2706450 2839393 3178425 3626643 3814110 4059675 5678786 6044405 6356850 7253286 8119350 8518179 9535275 10879929 12088810 14196965 17036358 18133215 19070550 21759858 25554537 28393930 30222025 36266430 42590895 51109074 54399645 60444050 70984825 85181790 90666075 108799290 127772685 141969650 181332150 212954475 255545370 271998225 425908950 543996450 638863425 764644297 1277726850 1529288594 2293932891 3823221485 4587865782 6881798673 7646442970 11469664455 13763597346 19116107425 22939328910 34408993365 38232214850 51231167899 57348322275 68817986730 102462335798 114696644550 153693503697 172044966825 256155839495 307387007394 344089933650 461080511091 512311678990 768467518485 922161022182 1280779197475 1536935036970 2305402555455 2561558394950 3842337592425 4610805110910 7684675184850 11527012777275 23054025554550