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107175121920 = 2103351375659
BaseRepresentation
bin110001111010000100…
…0101001010000000000
3101020122012220022011000
41203310020221100000
53223443312400140
6121122514452000
710512620335206
oct1436410512000
9336565808130
10107175121920
11414a8620429
1218930894000
13a15019c109
145289d65076
152bc40e6a30
hex18f4229400

107175121920 has 352 divisors, whose sum is σ = 383728982400. Its totient is φ = 28366405632.

The previous prime is 107175121919. The next prime is 107175121943. The reversal of 107175121920 is 29121571701.

107175121920 is a `hidden beast` number, since 107 + 1 + 7 + 512 + 19 + 20 = 666.

It is a super-2 number, since 2×1071751219202 (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18936051 + ... + 18941709.

Almost surely, 2107175121920 is an apocalyptic number.

107175121920 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 107175121920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191864491200).

107175121920 is an abundant number, since it is smaller than the sum of its proper divisors (276553860480).

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

107175121920 is a wasteful number, since it uses less digits than its factorization.

107175121920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830 (or 5806 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 36.

The spelling of 107175121920 in words is "one hundred seven billion, one hundred seventy-five million, one hundred twenty-one thousand, nine hundred twenty".