Base | Representation |
---|---|
bin | 10011000000000101… |
… | …11010110010101111 |
3 | 222022221120100212100 |
4 | 21200002322302233 |
5 | 131343013444211 |
6 | 4404133310143 |
7 | 510540503442 |
oct | 114002726257 |
9 | 28287510770 |
10 | 10201312431 |
11 | 4365414022 |
12 | 1b88495353 |
13 | c67613c5b |
14 | 6caba7659 |
15 | 3ea8c6156 |
hex | 2600bacaf |
10201312431 has 6 divisors (see below), whose sum is σ = 14735229080. Its totient is φ = 6800874948.
The previous prime is 10201312411. The next prime is 10201312441. The reversal of 10201312431 is 13421310201.
10201312431 is a `hidden beast` number, since 1 + 0 + 201 + 31 + 2 + 431 = 666.
It is not a de Polignac number, because 10201312431 - 26 = 10201312367 is a prime.
It is a super-2 number, since 2×102013124312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10201312411) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566739571 + ... + 566739588.
Almost surely, 210201312431 is an apocalyptic number.
10201312431 is a deficient number, since it is larger than the sum of its proper divisors (4533916649).
10201312431 is a wasteful number, since it uses less digits than its factorization.
10201312431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1133479165 (or 1133479162 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 10201312431 its reverse (13421310201), we get a palindrome (23622622632).
The spelling of 10201312431 in words is "ten billion, two hundred one million, three hundred twelve thousand, four hundred thirty-one".
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