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105112031465 = 5727531090883
BaseRepresentation
bin110000111100100101…
…0100101000011101001
3101001022102211110002102
41201321022211003221
53210232140001330
6120142055343145
710410526345220
oct1417112450351
9331272743072
10105112031465
114063a001aa1
1218455981ab5
139bb193522c
145131d65cb7
152b02e20945
hex18792a50e9

105112031465 has 16 divisors (see below), whose sum is σ = 144206137728. Its totient is φ = 72050574336.

The previous prime is 105112031459. The next prime is 105112031501. The reversal of 105112031465 is 564130211501.

It is a cyclic number.

It is not a de Polignac number, because 105112031465 - 24 = 105112031449 is a prime.

It is a super-2 number, since 2×1051120314652 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449087 + ... + 641796.

It is an arithmetic number, because the mean of its divisors is an integer number (9012883608).

Almost surely, 2105112031465 is an apocalyptic number.

It is an amenable number.

105112031465 is a deficient number, since it is larger than the sum of its proper divisors (39094106263).

105112031465 is a wasteful number, since it uses less digits than its factorization.

105112031465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093648.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 105112031465 its reverse (564130211501), we get a palindrome (669242242966).

The spelling of 105112031465 in words is "one hundred five billion, one hundred twelve million, thirty-one thousand, four hundred sixty-five".

Divisors: 1 5 7 35 2753 13765 19271 96355 1090883 5454415 7636181 38180905 3003200899 15016004495 21022406293 105112031465