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10144075538 = 25182997861
BaseRepresentation
bin10010111001010001…
…00100111100010010
3222011221212102121102
421130220210330102
5131233340404123
64354330424402
7506244135152
oct113450447422
928157772542
1010144075538
114336080103
121b71292102
13c587c387c
146c3348762
153e586c028
hex25ca24f12

10144075538 has 8 divisors (see below), whose sum is σ = 15216562380. Its totient is φ = 5071888080.

The previous prime is 10144075537. The next prime is 10144075567. The reversal of 10144075538 is 83557044101.

It can be written as a sum of positive squares in 2 ways, for example, as 10049461009 + 94614529 = 100247^2 + 9727^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10144075537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54728 + ... + 152588.

Almost surely, 210144075538 is an apocalyptic number.

10144075538 is a deficient number, since it is larger than the sum of its proper divisors (5072486842).

10144075538 is an equidigital number, since it uses as much as digits as its factorization.

10144075538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149692.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 10144075538 in words is "ten billion, one hundred forty-four million, seventy-five thousand, five hundred thirty-eight".

Divisors: 1 2 51829 97861 103658 195722 5072037769 10144075538