Base | Representation |
---|---|
bin | 11101001111101110… |
… | …101100101011011000 |
3 | 10000001111011212000110 |
4 | 131033232230223120 |
5 | 1003303004202020 |
6 | 22232010404320 |
7 | 2161116050535 |
oct | 351756545330 |
9 | 100044155013 |
10 | 31402412760 |
11 | 12354930544 |
12 | 61047306a0 |
13 | 2c65aa9b34 |
14 | 173c7c7d8c |
15 | c3bce88e0 |
hex | 74fbacad8 |
31402412760 has 64 divisors (see below), whose sum is σ = 94618706400. Its totient is φ = 8337401856.
The previous prime is 31402412759. The next prime is 31402412761. The reversal of 31402412760 is 6721420413.
It is an interprime number because it is at equal distance from previous prime (31402412759) and next prime (31402412761).
It is a super-2 number, since 2×314024127602 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31402412761) 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, 543889 + ... + 598848.
Almost surely, 231402412760 is an apocalyptic number.
31402412760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31402412760 is an abundant number, since it is smaller than the sum of its proper divisors (63216293640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31402412760 is a wasteful number, since it uses less digits than its factorization.
31402412760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1142980 (or 1142976 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
The spelling of 31402412760 in words is "thirty-one billion, four hundred two million, four hundred twelve thousand, seven hundred sixty".
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