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23054238864816 = 2434750232034457
BaseRepresentation
bin1010011110111101110111…
…01101111101010110110000
310000121222000112201121002220
411033132323231331112300
511010210040122133231
6121010545432441040
74566420350022135
oct517367355752660
9100558015647086
1023054238864816
11738927a8a8725
122704095b49180
13cb300bb19293
14599b8c81658c
1529ea61179896
hex14f7bbb7d5b0

23054238864816 has 80 divisors (see below), whose sum is σ = 60836088336384. Its totient is φ = 7519739991552.

The previous prime is 23054238864809. The next prime is 23054238864829. The reversal of 23054238864816 is 61846883245032.

It is a self number, because there is not a number n which added to its sum of digits gives 23054238864816.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10314660 + ... + 12349116.

Almost surely, 223054238864816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23054238864816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30418044168192).

23054238864816 is an abundant number, since it is smaller than the sum of its proper divisors (37781849471568).

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

23054238864816 is a wasteful number, since it uses less digits than its factorization.

23054238864816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039538 (or 2039532 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 60.

The spelling of 23054238864816 in words is "twenty-three trillion, fifty-four billion, two hundred thirty-eight million, eight hundred sixty-four thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 47 48 94 141 188 282 376 564 752 1128 2256 5023 10046 15069 20092 30138 40184 60276 80368 120552 236081 241104 472162 708243 944324 1416486 1888648 2034457 2832972 3777296 4068914 5665944 6103371 8137828 11331888 12206742 16275656 24413484 32551312 48826968 95619479 97653936 191238958 286858437 382477916 573716874 764955832 1147433748 1529911664 2294867496 4589734992 10219077511 20438155022 30657232533 40876310044 61314465066 81752620088 122628930132 163505240176 245257860264 480296643017 490515720528 960593286034 1440889929051 1921186572068 2881779858102 3842373144136 5763559716204 7684746288272 11527119432408 23054238864816