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30604164040 = 235765104101
BaseRepresentation
bin11100100000001001…
…100111101111001000
32220222212010121122001
4130200021213233020
51000134131222130
622020453240344
72132254050022
oct344011475710
986885117561
1030604164040
1111a8528645a
125b213330b4
132b695bb108
1416a4797012
15be1bba6ca
hex720267bc8

30604164040 has 16 divisors (see below), whose sum is σ = 68859369180. Its totient is φ = 12241665600.

The previous prime is 30604164037. The next prime is 30604164047. The reversal of 30604164040 is 4046140603.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30533368644 + 70795396 = 174738^2 + 8414^2 .

It is a super-2 number, since 2×306041640402 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30604164047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382552011 + ... + 382552090.

Almost surely, 230604164040 is an apocalyptic number.

It is an amenable number.

30604164040 is an abundant number, since it is smaller than the sum of its proper divisors (38255205140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30604164040 is a wasteful number, since it uses less digits than its factorization.

30604164040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765104112 (or 765104108 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 30604164040 in words is "thirty billion, six hundred four million, one hundred sixty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 765104101 1530208202 3060416404 3825520505 6120832808 7651041010 15302082020 30604164040