Base | Representation |
---|---|
bin | 11101011111101110… |
… | …011010110110100001 |
3 | 10000202012011002002010 |
4 | 131133232122312201 |
5 | 1004330204301301 |
6 | 22314354343133 |
7 | 2200555101402 |
oct | 353756326641 |
9 | 100665132063 |
10 | 31670775201 |
11 | 1248236618a |
12 | 617a58aaa9 |
13 | 2ca957b490 |
14 | 17662c39a9 |
15 | c556585d6 |
hex | 75fb9ada1 |
31670775201 has 16 divisors (see below), whose sum is σ = 45499938624. Its totient is φ = 19479441984.
The previous prime is 31670775167. The next prime is 31670775317. The reversal of 31670775201 is 10257707613.
It is not a de Polignac number, because 31670775201 - 217 = 31670644129 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 31670775201.
It is not an unprimeable number, because it can be changed into a prime (31670775901) 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, 138546 + ... + 287291.
It is an arithmetic number, because the mean of its divisors is an integer number (2843746164).
Almost surely, 231670775201 is an apocalyptic number.
It is an amenable number.
31670775201 is a deficient number, since it is larger than the sum of its proper divisors (13829163423).
31670775201 is a wasteful number, since it uses less digits than its factorization.
31670775201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 427760.
The product of its (nonzero) digits is 61740, while the sum is 39.
The spelling of 31670775201 in words is "thirty-one billion, six hundred seventy million, seven hundred seventy-five thousand, two hundred one".
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