Base | Representation |
---|---|
bin | 1110000111001010001100… |
… | …11110001010010110111110 |
3 | 11001212122211210211101201120 |
4 | 13003211012132022112332 |
5 | 13031413143140303340 |
6 | 150000015041251410 |
7 | 6352003562335212 |
oct | 703450636122676 |
9 | 131778753741646 |
10 | 31032321025470 |
11 | 9984808231846 |
12 | 3592331633b66 |
13 | 14414488c711b |
14 | 793d881c0942 |
15 | 38c34dce04d0 |
hex | 1c394678a5be |
31032321025470 has 64 divisors (see below), whose sum is σ = 76720321117440. Its totient is φ = 8028346246400.
The previous prime is 31032321025463. The next prime is 31032321025481. The reversal of 31032321025470 is 7452012323013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70253376 + ... + 70693715.
It is an arithmetic number, because the mean of its divisors is an integer number (1198755017460).
Almost surely, 231032321025470 is an apocalyptic number.
31032321025470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31032321025470 is an abundant number, since it is smaller than the sum of its proper divisors (45688000091970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31032321025470 is a wasteful number, since it uses less digits than its factorization.
31032321025470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140947321.
The product of its (nonzero) digits is 30240, while the sum is 33.
Adding to 31032321025470 its reverse (7452012323013), we get a palindrome (38484333348483).
The spelling of 31032321025470 in words is "thirty-one trillion, thirty-two billion, three hundred twenty-one million, twenty-five thousand, four hundred seventy".
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