Base | Representation |
---|---|
bin | 11101001101111111… |
… | …111010100000100000 |
3 | 2222222110112101210102 |
4 | 131031333322200200 |
5 | 1003223040341144 |
6 | 22225052121532 |
7 | 2160314154113 |
oct | 351577724040 |
9 | 88873471712 |
10 | 31373371424 |
11 | 1233a4a533a |
12 | 60b6a662a8 |
13 | 2c5ca7c305 |
14 | 17389c857a |
15 | c394adb4e |
hex | 74dffa820 |
31373371424 has 12 divisors (see below), whose sum is σ = 61766325054. Its totient is φ = 15686685696.
The previous prime is 31373371369. The next prime is 31373371433. The reversal of 31373371424 is 42417337313.
It can be written as a sum of positive squares in only one way, i.e., 27645047824 + 3728323600 = 166268^2 + 61060^2 .
It is a super-3 number, since 3×313733714243 (a number of 32 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490208897 + ... + 490208960.
Almost surely, 231373371424 is an apocalyptic number.
It is an amenable number.
31373371424 is a deficient number, since it is larger than the sum of its proper divisors (30392953630).
31373371424 is an equidigital number, since it uses as much as digits as its factorization.
31373371424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 980417867 (or 980417859 counting only the distinct ones).
The product of its digits is 127008, while the sum is 38.
The spelling of 31373371424 in words is "thirty-one billion, three hundred seventy-three million, three hundred seventy-one thousand, four hundred twenty-four".
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