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31114490450 = 2524273145633
BaseRepresentation
bin11100111110100100…
…010111001001010010
32222022102101212212012
4130332210113021102
51002210302143300
622143243302522
72151021543101
oct347644271122
988272355765
1031114490450
111221735621a
12604421aa42
132c1b24a4c4
14171247a038
15c218c3435
hex73e917252

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".

Divisors: 1 2 5 10 25 50 4273 8546 21365 42730 106825 145633 213650 291266 728165 1456330 3640825 7281650 622289809 1244579618 3111449045 6222898090 15557245225 31114490450