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23156103102 = 2311834227109
BaseRepresentation
bin10101100100001101…
…100001011110111110
32012202210021220210020
4111210031201132332
5334410430244402
614345431353010
71446554425446
oct254415413676
965683256706
1023156103102
11990301aaa0
1245a2b22766
132250516c72
141199525126
15907d978bc
hex5643617be

23156103102 has 32 divisors (see below), whose sum is σ = 51131122560. Its totient is φ = 6932457120.

The previous prime is 23156103083. The next prime is 23156103109. The reversal of 23156103102 is 20130165132.

It is a super-2 number, since 2×231561031022 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23156103109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2108077 + ... + 2119032.

It is an arithmetic number, because the mean of its divisors is an integer number (1597847580).

Almost surely, 223156103102 is an apocalyptic number.

23156103102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23156103102 is an abundant number, since it is smaller than the sum of its proper divisors (27975019458).

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

23156103102 is a wasteful number, since it uses less digits than its factorization.

23156103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4227208.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 23156103102 its reverse (20130165132), we get a palindrome (43286268234).

The spelling of 23156103102 in words is "twenty-three billion, one hundred fifty-six million, one hundred three thousand, one hundred two".

Divisors: 1 2 3 6 11 22 33 66 83 166 249 498 913 1826 2739 5478 4227109 8454218 12681327 25362654 46498199 92996398 139494597 278989194 350850047 701700094 1052550141 2105100282 3859350517 7718701034 11578051551 23156103102