Base | Representation |
---|---|
bin | 1110000111001010000110… |
… | …01101010001010100100000 |
3 | 11001212122200222210022200220 |
4 | 13003211003031101110200 |
5 | 13031413040131002023 |
6 | 150000005403443040 |
7 | 6352002326025246 |
oct | 703450315212440 |
9 | 131778628708626 |
10 | 31032266265888 |
11 | 998478a330098 |
12 | 3592317226480 |
13 | 144143a4634c4 |
14 | 793d80c08796 |
15 | 38c3490c53e3 |
hex | 1c3943351520 |
31032266265888 has 96 divisors (see below), whose sum is σ = 81873312998400. Its totient is φ = 10291571769600.
The previous prime is 31032266265859. The next prime is 31032266265901. The reversal of 31032266265888 is 88856266223013.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×310322662658882 (a number of 28 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560617413 + ... + 560672763.
It is an arithmetic number, because the mean of its divisors is an integer number (852847010400).
Almost surely, 231032266265888 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31032266265888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40936656499200).
31032266265888 is an abundant number, since it is smaller than the sum of its proper divisors (50841046732512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31032266265888 is a wasteful number, since it uses less digits than its factorization.
31032266265888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84910 (or 84902 counting only the distinct ones).
The product of its (nonzero) digits is 39813120, while the sum is 60.
The spelling of 31032266265888 in words is "thirty-one trillion, thirty-two billion, two hundred sixty-six million, two hundred sixty-five thousand, eight hundred eighty-eight".
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