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102179040192 = 2634174128279
BaseRepresentation
bin101111100101001011…
…0000110101111000000
3100202202000220001110000
41133022112012233000
53133230313241232
6114535043240000
710245043340235
oct1371226065700
9322660801400
10102179040192
113a37444a269
1217977679000
1398350b2b38
144d3460378c
1529d06b627c
hex17ca586bc0

102179040192 has 280 divisors, whose sum is σ = 328541542560. Its totient is φ = 31273205760.

The previous prime is 102179040179. The next prime is 102179040193. The reversal of 102179040192 is 291040971201.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102179040193) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3599109 + ... + 3627387.

It is an arithmetic number, because the mean of its divisors is an integer number (1173362652).

Almost surely, 2102179040192 is an apocalyptic number.

102179040192 is a gapful number since it is divisible by the number (12) 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 102179040192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164270771280).

102179040192 is an abundant number, since it is smaller than the sum of its proper divisors (226362502368).

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

102179040192 is a wasteful number, since it uses less digits than its factorization.

102179040192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28361 (or 28342 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The spelling of 102179040192 in words is "one hundred two billion, one hundred seventy-nine million, forty thousand, one hundred ninety-two".