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30542268488 = 2329131647709
BaseRepresentation
bin11100011100011101…
…100000100001001000
32220211112122222220012
4130130131200201020
51000022310042423
622010402451052
72130602666354
oct343435404110
986745588805
1030542268488
1111a53350406
125b04663a88
132b59829424
14169a484464
15bdb541078
hex71c760848

30542268488 has 16 divisors (see below), whose sum is σ = 59241469500. Its totient is φ = 14744543296.

The previous prime is 30542268443. The next prime is 30542268503. The reversal of 30542268488 is 88486224503.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30540358564 + 1909924 = 174758^2 + 1382^2 .

It is a super-2 number, since 2×305422684882 (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 3 ways as a sum of consecutive naturals, for example, 65823623 + ... + 65824086.

Almost surely, 230542268488 is an apocalyptic number.

It is an amenable number.

30542268488 is a deficient number, since it is larger than the sum of its proper divisors (28699201012).

30542268488 is a wasteful number, since it uses less digits than its factorization.

30542268488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131647744 (or 131647740 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 50.

The spelling of 30542268488 in words is "thirty billion, five hundred forty-two million, two hundred sixty-eight thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 29 58 116 232 131647709 263295418 526590836 1053181672 3817783561 7635567122 15271134244 30542268488