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102657005880 = 233511131032412
BaseRepresentation
bin101111110011011010…
…1011001100100111000
3100210222100021020002220
41133212311121210320
53140220143142010
6115054315524040
710262636103222
oct1374665314470
9323870236086
10102657005880
113a59a226a30
1217a8b759620
1398b0121880
144d7bca1412
152a0c62a970
hex17e6d59938

102657005880 has 384 divisors, whose sum is σ = 366847004160. Its totient is φ = 22654771200.

The previous prime is 102657005861. The next prime is 102657005881. The reversal of 102657005880 is 88500756201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102657005881) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 425962560 + ... + 425962800.

It is an arithmetic number, because the mean of its divisors is an integer number (955330740).

Almost surely, 2102657005880 is an apocalyptic number.

102657005880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102657005880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183423502080).

102657005880 is an abundant number, since it is smaller than the sum of its proper divisors (264189998280).

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

102657005880 is a wasteful number, since it uses less digits than its factorization.

102657005880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 102657005880 in words is "one hundred two billion, six hundred fifty-seven million, five thousand, eight hundred eighty".