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30137034173 = 223135143651
BaseRepresentation
bin11100000100010011…
…101010010110111101
32212210022010221220212
4130010103222112331
5443210040043143
621502245122205
72114552364251
oct340423522675
985708127825
1030137034173
111186562a914
125a109b9365
132ac38a44cc
14165c71a261
15bb5b96918
hex7044ea5bd

30137034173 has 4 divisors (see below), whose sum is σ = 30272178048. Its totient is φ = 30001890300.

The previous prime is 30137034139. The next prime is 30137034181. The reversal of 30137034173 is 37143073103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30137034173 - 228 = 29868598717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30137034073) 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, 67571603 + ... + 67572048.

It is an arithmetic number, because the mean of its divisors is an integer number (7568044512).

Almost surely, 230137034173 is an apocalyptic number.

It is an amenable number.

30137034173 is a deficient number, since it is larger than the sum of its proper divisors (135143875).

30137034173 is a wasteful number, since it uses less digits than its factorization.

30137034173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135143874.

The product of its (nonzero) digits is 15876, while the sum is 32.

The spelling of 30137034173 in words is "thirty billion, one hundred thirty-seven million, thirty-four thousand, one hundred seventy-three".

Divisors: 1 223 135143651 30137034173