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10250117857 = 73019485029
BaseRepresentation
bin10011000101111010…
…00110001011100001
3222110100101221022201
421202331012023201
5131443012232412
64413035333201
7512002364350
oct114275061341
928410357281
1010250117857
11438aa19291
121ba08b1201
13c747716c5
146d346d997
153eed16e57
hex262f462e1

10250117857 has 8 divisors (see below), whose sum is σ = 11718324800. Its totient is φ = 8782887024.

The previous prime is 10250117851. The next prime is 10250117863. The reversal of 10250117857 is 75871105201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10250117851) and next prime (10250117863).

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

It is a cyclic number.

It is not a de Polignac number, because 10250117857 - 223 = 10241729249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10250117851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221382 + ... + 263647.

It is an arithmetic number, because the mean of its divisors is an integer number (1464790600).

Almost surely, 210250117857 is an apocalyptic number.

It is an amenable number.

10250117857 is a deficient number, since it is larger than the sum of its proper divisors (1468206943).

10250117857 is an equidigital number, since it uses as much as digits as its factorization.

10250117857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488055.

The product of its (nonzero) digits is 19600, while the sum is 37.

The spelling of 10250117857 in words is "ten billion, two hundred fifty million, one hundred seventeen thousand, eight hundred fifty-seven".

Divisors: 1 7 3019 21133 485029 3395203 1464302551 10250117857