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71914750520 = 2352696683527
BaseRepresentation
bin100001011111001110…
…1000000001000111000
320212121212021211210112
41002332131000020320
52134240134004040
653012010403452
75124054202454
oct1027635001070
9225555254715
1071914750520
1128554002518
1211b30130588
136a21044122
1436a303d664
151d0d784365
hex10be740238

71914750520 has 32 divisors (see below), whose sum is σ = 162409730400. Its totient is φ = 28658959488.

The previous prime is 71914750489. The next prime is 71914750529. The reversal of 71914750520 is 2505741917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71914750529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3331004 + ... + 3352523.

It is an arithmetic number, because the mean of its divisors is an integer number (5075304075).

Almost surely, 271914750520 is an apocalyptic number.

It is an amenable number.

71914750520 is an abundant number, since it is smaller than the sum of its proper divisors (90494979880).

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

71914750520 is a wasteful number, since it uses less digits than its factorization.

71914750520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683807 (or 6683803 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 71914750520 in words is "seventy-one billion, nine hundred fourteen million, seven hundred fifty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 269 538 1076 1345 2152 2690 5380 10760 6683527 13367054 26734108 33417635 53468216 66835270 133670540 267341080 1797868763 3595737526 7191475052 8989343815 14382950104 17978687630 35957375260 71914750520