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30644012404 = 227661003101
BaseRepresentation
bin11100100010100001…
…101000010101110100
32221002122010010022101
4130202201220111310
51000224331344104
622024435311444
72133246544015
oct344241502564
987078103271
1030644012404
1111aa5823095
125b3274b584
132b74930925
1416a9bab00c
15be543c5a4
hex722868574

30644012404 has 6 divisors (see below), whose sum is σ = 53627021714. Its totient is φ = 15322006200.

The previous prime is 30644012401. The next prime is 30644012423. The reversal of 30644012404 is 40421044603.

It can be written as a sum of positive squares in only one way, i.e., 30394435600 + 249576804 = 174340^2 + 15798^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30644012401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3830501547 + ... + 3830501554.

Almost surely, 230644012404 is an apocalyptic number.

It is an amenable number.

30644012404 is a deficient number, since it is larger than the sum of its proper divisors (22983009310).

30644012404 is a wasteful number, since it uses less digits than its factorization.

30644012404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7661003105 (or 7661003103 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 30644012404 in words is "thirty billion, six hundred forty-four million, twelve thousand, four hundred four".

Divisors: 1 2 4 7661003101 15322006202 30644012404