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72048165141 = 3181863153749
BaseRepresentation
bin100001100011001100…
…1111100000100010101
320212222011100000020210
41003012121330010111
52140023312241031
653033134120033
75130264204411
oct1030631740425
9225864300223
1072048165141
1128612346937
1211b68950019
136a42886ba4
1436b6a4bd41
151d1a339746
hex10c667c115

72048165141 has 16 divisors (see below), whose sum is σ = 96707520000. Its totient is φ = 47711079360.

The previous prime is 72048165131. The next prime is 72048165143. The reversal of 72048165141 is 14156184027.

It is not a de Polignac number, because 72048165141 - 25 = 72048165109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72048165141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72048165143) 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, 391735 + ... + 545483.

It is an arithmetic number, because the mean of its divisors is an integer number (6044220000).

Almost surely, 272048165141 is an apocalyptic number.

It is an amenable number.

72048165141 is a deficient number, since it is larger than the sum of its proper divisors (24659354859).

72048165141 is a wasteful number, since it uses less digits than its factorization.

72048165141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154796.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 72048165141 in words is "seventy-two billion, forty-eight million, one hundred sixty-five thousand, one hundred forty-one".

Divisors: 1 3 181 543 863 2589 153749 156203 461247 468609 27828569 83485707 132685387 398056161 24016055047 72048165141