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8107123041 = 323541254389
BaseRepresentation
bin1111000110011100…
…01110000101100001
3202220222222112002100
413203032032011201
5113100410414131
63420243441013
7404621260143
oct74316160541
922828875070
108107123041
113490294596
1216a3086169
139c27abb34
1456c9d0c93
15326b0a7e6
hex1e338e161

8107123041 has 12 divisors (see below), whose sum is σ = 11713641940. Its totient is φ = 5403201120.

The previous prime is 8107123033. The next prime is 8107123051. The reversal of 8107123041 is 1403217018.

It can be written as a sum of positive squares in 2 ways, for example, as 3895632225 + 4211490816 = 62415^2 + 64896^2 .

It is not a de Polignac number, because 8107123041 - 23 = 8107123033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8107122996 and 8107123014.

It is not an unprimeable number, because it can be changed into a prime (8107123051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95326 + ... + 159063.

Almost surely, 28107123041 is an apocalyptic number.

It is an amenable number.

8107123041 is a deficient number, since it is larger than the sum of its proper divisors (3606518899).

8107123041 is a wasteful number, since it uses less digits than its factorization.

8107123041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257936 (or 257933 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 8107123041 is about 90039.5637539410. The cubic root of 8107123041 is about 2008.8873689225.

The spelling of 8107123041 in words is "eight billion, one hundred seven million, one hundred twenty-three thousand, forty-one".

Divisors: 1 3 9 3541 10623 31869 254389 763167 2289501 900791449 2702374347 8107123041