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30137033747 = 1710719186743
BaseRepresentation
bin11100000100010011…
…101010010000010011
32212210022010221100002
4130010103222100103
5443210040034442
621502245120215
72114552363102
oct340423522023
985708127302
1030137033747
111186562a567
125a109b906b
132ac38a4262
14165c71a039
15bb5b96732
hex7044ea413

30137033747 has 16 divisors (see below), whose sum is σ = 32377024512. Its totient is φ = 27951742080.

The previous prime is 30137033683. The next prime is 30137033779. The reversal of 30137033747 is 74733073103.

It is a cyclic number.

It is not a de Polignac number, because 30137033747 - 26 = 30137033683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30137033747.

It is not an unprimeable number, because it can be changed into a prime (30137033447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304058 + ... + 390800.

It is an arithmetic number, because the mean of its divisors is an integer number (2023564032).

Almost surely, 230137033747 is an apocalyptic number.

30137033747 is a deficient number, since it is larger than the sum of its proper divisors (2239990765).

30137033747 is a wasteful number, since it uses less digits than its factorization.

30137033747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87058.

The product of its (nonzero) digits is 111132, while the sum is 38.

The spelling of 30137033747 in words is "thirty billion, one hundred thirty-seven million, thirty-three thousand, seven hundred forty-seven".

Divisors: 1 17 107 191 1819 3247 20437 86743 347429 1474631 9281501 16567913 157785517 281654521 1772766691 30137033747