Base | Representation |
---|---|
bin | 10010101001100110… |
… | …01100010101110111 |
3 | 221211210112211210220 |
4 | 21110303030111313 |
5 | 131001214000011 |
6 | 4333313345423 |
7 | 503060020050 |
oct | 112463142567 |
9 | 27753484726 |
10 | 10012640631 |
11 | 4278969114 |
12 | 1b35268273 |
13 | c374c4c36 |
14 | 6adad3727 |
15 | 3d9058506 |
hex | 254ccc577 |
10012640631 has 16 divisors (see below), whose sum is σ = 15336417024. Its totient is φ = 5691861504.
The previous prime is 10012640621. The next prime is 10012640641. The reversal of 10012640631 is 13604621001.
It is an interprime number because it is at equal distance from previous prime (10012640621) and next prime (10012640641).
It is not a de Polignac number, because 10012640631 - 26 = 10012640567 is a prime.
It is a super-2 number, since 2×100126406312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10012640621) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231161 + ... + 1239266.
It is an arithmetic number, because the mean of its divisors is an integer number (958526064).
Almost surely, 210012640631 is an apocalyptic number.
10012640631 is a deficient number, since it is larger than the sum of its proper divisors (5323776393).
10012640631 is a wasteful number, since it uses less digits than its factorization.
10012640631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2470630.
The product of its (nonzero) digits is 864, while the sum is 24.
The spelling of 10012640631 in words is "ten billion, twelve million, six hundred forty thousand, six hundred thirty-one".
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