Base | Representation |
---|---|
bin | 110000000000111110… |
… | …1001110111110001111 |
3 | 100212011001111120122120 |
4 | 1200001331032332033 |
5 | 3142133140410211 |
6 | 115211412544023 |
7 | 10310132626224 |
oct | 1400175167617 |
9 | 325131446576 |
10 | 103112044431 |
11 | 3a803074150 |
12 | 17b98022013 |
13 | 9953493a56 |
14 | 4dc24b194b |
15 | 2a37561d06 |
hex | 1801f4ef8f |
103112044431 has 64 divisors (see below), whose sum is σ = 158142758400. Its totient is φ = 59185728000.
The previous prime is 103112044429. The next prime is 103112044457. The reversal of 103112044431 is 134440211301.
It is not a de Polignac number, because 103112044431 - 21 = 103112044429 is a prime.
It is a super-2 number, since 2×1031120444312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103112046431) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10530720 + ... + 10540506.
It is an arithmetic number, because the mean of its divisors is an integer number (2470980600).
Almost surely, 2103112044431 is an apocalyptic number.
103112044431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
103112044431 is a deficient number, since it is larger than the sum of its proper divisors (55030713969).
103112044431 is a wasteful number, since it uses less digits than its factorization.
103112044431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10040.
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 103112044431 its reverse (134440211301), we get a palindrome (237552255732).
The spelling of 103112044431 in words is "one hundred three billion, one hundred twelve million, forty-four thousand, four hundred thirty-one".
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