Base | Representation |
---|---|
bin | 11100111110100100… |
… | …010111001001010010 |
3 | 2222022102101212212012 |
4 | 130332210113021102 |
5 | 1002210302143300 |
6 | 22143243302522 |
7 | 2151021543101 |
oct | 347644271122 |
9 | 88272355765 |
10 | 31114490450 |
11 | 1221735621a |
12 | 604421aa42 |
13 | 2c1b24a4c4 |
14 | 171247a038 |
15 | c218c3435 |
hex | 73e917252 |
31114490450 has 24 divisors (see below), whose sum is σ = 57886893588. Its totient is φ = 12442798080.
The previous prime is 31114490447. The next prime is 31114490467. The reversal of 31114490450 is 5409441113.
It is a Cunningham number, because it is equal to 1763932+1.
It can be written as a sum of positive squares in 6 ways, for example, as 2116828081 + 28997662369 = 46009^2 + 170287^2 .
It is a super-2 number, since 2×311144904502 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140834 + ... + 286466.
Almost surely, 231114490450 is an apocalyptic number.
31114490450 is a deficient number, since it is larger than the sum of its proper divisors (26772403138).
31114490450 is a wasteful number, since it uses less digits than its factorization.
31114490450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149918 (or 149913 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 32.
The spelling of 31114490450 in words is "thirty-one billion, one hundred fourteen million, four hundred ninety thousand, four hundred fifty".
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