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127872440275 = 525114897611
BaseRepresentation
bin111011100010111001…
…0101001011111010011
3110020001122120000100111
41313011302221133103
54043340321042100
6134424354102151
712144540544216
oct1670562513723
9406048500314
10127872440275
114a259728008
122094827a957
13c09b187658
146290ac777d
1534d61a56ba
hex1dc5ca97d3

127872440275 has 6 divisors (see below), whose sum is σ = 158561825972. Its totient is φ = 102297952200.

The previous prime is 127872440261. The next prime is 127872440281. The reversal of 127872440275 is 572044278721.

It is not a de Polignac number, because 127872440275 - 25 = 127872440243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2557448781 + ... + 2557448830.

Almost surely, 2127872440275 is an apocalyptic number.

127872440275 is a deficient number, since it is larger than the sum of its proper divisors (30689385697).

127872440275 is an equidigital number, since it uses as much as digits as its factorization.

127872440275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114897621 (or 5114897616 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 49.

The spelling of 127872440275 in words is "one hundred twenty-seven billion, eight hundred seventy-two million, four hundred forty thousand, two hundred seventy-five".

Divisors: 1 5 25 5114897611 25574488055 127872440275