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72242141052 = 2237877764273
BaseRepresentation
bin100001101000111110…
…1111001011101111100
320220110200100000011210
41003101331321131330
52140422442003202
653104303444420
75135141032014
oct1032175713574
9226420300153
1072242141052
1128701894904
12120018b6710
136a73b12233
1436d4702c44
151d2c3a3c6c
hex10d1f7977c

72242141052 has 24 divisors (see below), whose sum is σ = 168586616016. Its totient is φ = 24077625088.

The previous prime is 72242141039. The next prime is 72242141093. The reversal of 72242141052 is 25014124227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287613 + ... + 476660.

It is an arithmetic number, because the mean of its divisors is an integer number (7024442334).

Almost surely, 272242141052 is an apocalyptic number.

It is an amenable number.

72242141052 is an abundant number, since it is smaller than the sum of its proper divisors (96344474964).

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

72242141052 is a wasteful number, since it uses less digits than its factorization.

72242141052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772157 (or 772155 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

Adding to 72242141052 its reverse (25014124227), we get a palindrome (97256265279).

The spelling of 72242141052 in words is "seventy-two billion, two hundred forty-two million, one hundred forty-one thousand, fifty-two".

Divisors: 1 2 3 4 6 12 7877 15754 23631 31508 47262 94524 764273 1528546 2292819 3057092 4585638 9171276 6020178421 12040356842 18060535263 24080713684 36121070526 72242141052