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107663172540 = 22357117324373
BaseRepresentation
bin110010001000100111…
…0011010001110111100
3101021220020020211201220
41210101032122032330
53230443233010130
6121243151233340
710530664603260
oct1442116321674
9337806224656
10107663172540
1141729066050
1218a48218850
13a1ca32c271
1452d4aca0a0
152c01d9e410
hex191139a3bc

107663172540 has 288 divisors, whose sum is σ = 381148540416. Its totient is φ = 22060062720.

The previous prime is 107663172493. The next prime is 107663172559. The reversal of 107663172540 is 45271366701.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 107663172492 and 107663172501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24617794 + ... + 24622166.

It is an arithmetic number, because the mean of its divisors is an integer number (1323432432).

Almost surely, 2107663172540 is an apocalyptic number.

107663172540 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 107663172540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190574270208).

107663172540 is an abundant number, since it is smaller than the sum of its proper divisors (273485367876).

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

107663172540 is a wasteful number, since it uses less digits than its factorization.

107663172540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549 (or 4474 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 107663172540 in words is "one hundred seven billion, six hundred sixty-three million, one hundred seventy-two thousand, five hundred forty".