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105512663201 = 1121797096871
BaseRepresentation
bin110001001000100001…
…0110111100010100001
3101002100100200122111212
41202101002313202201
53212042220210301
6120245530315505
710423462560611
oct1422102674241
9332310618455
10105512663201
1140825169600
1218547b88b95
139c4693822a
14516d252a41
152b281ab4bb
hex18910b78a1

105512663201 has 24 divisors (see below), whose sum is σ = 116806132800. Its totient is φ = 95236336800.

The previous prime is 105512663177. The next prime is 105512663227. The reversal of 105512663201 is 102366215501.

It is a de Polignac number, because none of the positive numbers 2k-105512663201 is a prime.

It is a super-2 number, since 2×1055126632012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105512663401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15352796 + ... + 15359666.

It is an arithmetic number, because the mean of its divisors is an integer number (4866922200).

Almost surely, 2105512663201 is an apocalyptic number.

105512663201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105512663201 is a deficient number, since it is larger than the sum of its proper divisors (11293469599).

105512663201 is a wasteful number, since it uses less digits than its factorization.

105512663201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7781 (or 7770 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 105512663201 its reverse (102366215501), we get a palindrome (207878878702).

The spelling of 105512663201 in words is "one hundred five billion, five hundred twelve million, six hundred sixty-three thousand, two hundred one".

Divisors: 1 11 121 179 709 1969 6871 7799 21659 75581 85789 126911 831391 1229909 1396021 4871539 13528999 15356231 53586929 148818989 589456219 872005481 9592060291 105512663201