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139188933760 = 275217482709
BaseRepresentation
bin1000000110100001001…
…1101001010010000000
3111022021022112110000211
42001220103221102000
54240024331340020
6143535325523504
713025142262462
oct2015023512200
9438238473024
10139188933760
1154036585068
1222b86113594
1310182836146
146a45a22132
15394991085a
hex20684e9480

139188933760 has 32 divisors (see below), whose sum is σ = 332748546300. Its totient is φ = 55675573248.

The previous prime is 139188933749. The next prime is 139188933781. The reversal of 139188933760 is 67339881931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 134888721984 + 4300211776 = 367272^2 + 65576^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 139188933695 and 139188933704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108740715 + ... + 108741994.

Almost surely, 2139188933760 is an apocalyptic number.

139188933760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139188933760 is an abundant number, since it is smaller than the sum of its proper divisors (193559612540).

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

139188933760 is an equidigital number, since it uses as much as digits as its factorization.

139188933760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217482728 (or 217482716 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 139188933760 in words is "one hundred thirty-nine billion, one hundred eighty-eight million, nine hundred thirty-three thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 217482709 434965418 869930836 1087413545 1739861672 2174827090 3479723344 4349654180 6959446688 8699308360 13918893376 17398616720 27837786752 34797233440 69594466880 139188933760