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82124432560 = 2451026555407
BaseRepresentation
bin100110001111011111…
…1110110010010110000
321211222101121102121101
41030132333312102300
52321142323320220
6101421043334144
75635056105352
oct1143677662260
9254871542541
1082124432560
1131913112775
1213abb381354
13798a2c87c1
143d90d850d2
152209c6030a
hex131eff64b0

82124432560 has 20 divisors (see below), whose sum is σ = 190939305888. Its totient is φ = 32849772992.

The previous prime is 82124432543. The next prime is 82124432561. The reversal of 82124432560 is 6523442128.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (82124432561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513277624 + ... + 513277783.

Almost surely, 282124432560 is an apocalyptic number.

82124432560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82124432560 is an abundant number, since it is smaller than the sum of its proper divisors (108814873328).

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

82124432560 is a wasteful number, since it uses less digits than its factorization.

82124432560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026555420 (or 1026555414 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 82124432560 its reverse (6523442128), we get a palindrome (88647874688).

The spelling of 82124432560 in words is "eighty-two billion, one hundred twenty-four million, four hundred thirty-two thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1026555407 2053110814 4106221628 5132777035 8212443256 10265554070 16424886512 20531108140 41062216280 82124432560