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30331144402 = 2131166582477
BaseRepresentation
bin11100001111111000…
…001000100011010010
32220021211101210002121
4130033320020203102
5444104233110102
621533421404454
72122430321266
oct341770104322
986254353077
1030331144402
111195515a799
125a65a0972a
132b24b78a30
14167a4080a6
15bc7c3ab37
hex70fe088d2

30331144402 has 8 divisors (see below), whose sum is σ = 48996464076. Its totient is φ = 13998989712.

The previous prime is 30331144381. The next prime is 30331144421. The reversal of 30331144402 is 20444113303.

It can be written as a sum of positive squares in 2 ways, for example, as 30325087881 + 6056521 = 174141^2 + 2461^2 .

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, 583291213 + ... + 583291264.

Almost surely, 230331144402 is an apocalyptic number.

30331144402 is a deficient number, since it is larger than the sum of its proper divisors (18665319674).

30331144402 is a wasteful number, since it uses less digits than its factorization.

30331144402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166582492.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30331144402 its reverse (20444113303), we get a palindrome (50775257705).

The spelling of 30331144402 in words is "thirty billion, three hundred thirty-one million, one hundred forty-four thousand, four hundred two".

Divisors: 1 2 13 26 1166582477 2333164954 15165572201 30331144402