Base | Representation |
---|---|
bin | 11100111001100000… |
… | …011110100111011000 |
3 | 2222002111122022101110 |
4 | 130321200132213120 |
5 | 1002022033231032 |
6 | 22131011420320 |
7 | 2145641063310 |
oct | 347140364730 |
9 | 88074568343 |
10 | 31029586392 |
11 | 12183435582 |
12 | 601b8b46a0 |
13 | 2c06790c0c |
14 | 1705098440 |
15 | c192017cc |
hex | 73981e9d8 |
31029586392 has 32 divisors (see below), whose sum is σ = 88655961600. Its totient is φ = 8865596064.
The previous prime is 31029586391. The next prime is 31029586397. The reversal of 31029586392 is 29368592013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31029586391) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92349792 + ... + 92350127.
It is an arithmetic number, because the mean of its divisors is an integer number (2770498800).
Almost surely, 231029586392 is an apocalyptic number.
It is an amenable number.
31029586392 is an abundant number, since it is smaller than the sum of its proper divisors (57626375208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31029586392 is a wasteful number, since it uses less digits than its factorization.
31029586392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184699935 (or 184699931 counting only the distinct ones).
The product of its (nonzero) digits is 699840, while the sum is 48.
The spelling of 31029586392 in words is "thirty-one billion, twenty-nine million, five hundred eighty-six thousand, three hundred ninety-two".
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