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30513092541 = 3193791412447
BaseRepresentation
bin11100011010101110…
…001101011110111101
32220202111202201000120
4130122232031132331
5444442322430131
622003441245153
72130100002321
oct343256153675
986674681016
1030513092541
1111a38933058
125ab69337b9
132b53782559
14169664b981
15bd8bcb496
hex71ab8d7bd

30513092541 has 16 divisors (see below), whose sum is σ = 42938419200. Its totient is φ = 19220565168.

The previous prime is 30513092513. The next prime is 30513092563. The reversal of 30513092541 is 14529031503.

It is not a de Polignac number, because 30513092541 - 25 = 30513092509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30513092041) 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, 684621 + ... + 727826.

It is an arithmetic number, because the mean of its divisors is an integer number (2683651200).

Almost surely, 230513092541 is an apocalyptic number.

It is an amenable number.

30513092541 is a deficient number, since it is larger than the sum of its proper divisors (12425326659).

30513092541 is a wasteful number, since it uses less digits than its factorization.

30513092541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412848.

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 30513092541 in words is "thirty billion, five hundred thirteen million, ninety-two thousand, five hundred forty-one".

Divisors: 1 3 19 57 379 1137 7201 21603 1412447 4237341 26836493 80509479 535317413 1605952239 10171030847 30513092541