Base | Representation |
---|---|
bin | 11101010000110010… |
… | …010011000011010110 |
3 | 10000002201112011102111 |
4 | 131100302103003112 |
5 | 1003322023233330 |
6 | 22233442301234 |
7 | 2161422505006 |
oct | 352062230326 |
9 | 100081464374 |
10 | 31420133590 |
11 | 1236393445a |
12 | 610a65781a |
13 | 2c69672a31 |
14 | 1740cbc006 |
15 | c3d64932a |
hex | 750c930d6 |
31420133590 has 16 divisors (see below), whose sum is σ = 57272143680. Its totient is φ = 12408963840.
The previous prime is 31420133587. The next prime is 31420133599. The reversal of 31420133590 is 9533102413.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31420133599) 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, 19885371 + ... + 19886950.
It is an arithmetic number, because the mean of its divisors is an integer number (3579508980).
Almost surely, 231420133590 is an apocalyptic number.
31420133590 is a deficient number, since it is larger than the sum of its proper divisors (25852010090).
31420133590 is a wasteful number, since it uses less digits than its factorization.
31420133590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39772407.
The product of its (nonzero) digits is 9720, while the sum is 31.
The spelling of 31420133590 in words is "thirty-one billion, four hundred twenty million, one hundred thirty-three thousand, five hundred ninety".
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