Base | Representation |
---|---|
bin | 11101100111111110… |
… | …000110011001110010 |
3 | 10001002211102212210111 |
4 | 131213332012121302 |
5 | 1010121112302344 |
6 | 22340215251534 |
7 | 2204154630001 |
oct | 354776063162 |
9 | 101084385714 |
10 | 31809103474 |
11 | 12543456275 |
12 | 61b8979baa |
13 | 2ccc121925 |
14 | 177a810c38 |
15 | c6287e834 |
hex | 767f86672 |
31809103474 has 8 divisors (see below), whose sum is σ = 47717919360. Its totient is φ = 15903130356.
The previous prime is 31809103457. The next prime is 31809103511. The reversal of 31809103474 is 47430190813.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682494 + ... + 727609.
It is an arithmetic number, because the mean of its divisors is an integer number (5964739920).
Almost surely, 231809103474 is an apocalyptic number.
31809103474 is a deficient number, since it is larger than the sum of its proper divisors (15908815886).
31809103474 is a wasteful number, since it uses less digits than its factorization.
31809103474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1421384.
The product of its (nonzero) digits is 72576, while the sum is 40.
The spelling of 31809103474 in words is "thirty-one billion, eight hundred nine million, one hundred three thousand, four hundred seventy-four".
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