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23012340550 = 2523779157457
BaseRepresentation
bin10101011011101001…
…000111001101000110
32012101202210000122021
4111123221013031012
5334112124344200
614323254153354
71443160444603
oct253351071506
965352700567
1023012340550
119839959071
12456295285a
1322297c0174
1411843c16aa
158ea44b41a
hex55ba47346

23012340550 has 48 divisors (see below), whose sum is σ = 44516525760. Its totient is φ = 8842728960.

The previous prime is 23012340511. The next prime is 23012340563. The reversal of 23012340550 is 5504321032.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67422 + ... + 224878.

It is an arithmetic number, because the mean of its divisors is an integer number (927427620).

Almost surely, 223012340550 is an apocalyptic number.

23012340550 is a deficient number, since it is larger than the sum of its proper divisors (21504185210).

23012340550 is a wasteful number, since it uses less digits than its factorization.

23012340550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157585 (or 157580 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 23012340550 its reverse (5504321032), we get a palindrome (28516661582).

The spelling of 23012340550 in words is "twenty-three billion, twelve million, three hundred forty thousand, five hundred fifty".

Divisors: 1 2 5 10 25 37 50 74 79 158 185 370 395 790 925 1850 1975 2923 3950 5846 14615 29230 73075 146150 157457 314914 787285 1574570 3936425 5825909 7872850 11651818 12439103 24878206 29129545 58259090 62195515 124391030 145647725 291295450 310977575 460246811 621955150 920493622 2301234055 4602468110 11506170275 23012340550