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10447256131 = 13829969403
BaseRepresentation
bin10011011101011010…
…00111101001000011
3222222002100121012021
421232231013221003
5132343444144011
64444400542311
7516615132454
oct115655075103
928862317167
1010447256131
114481227184
122036921997
13ca6566280
1471170912b
154122a8471
hex26eb47a43

10447256131 has 8 divisors (see below), whose sum is σ = 11264474480. Its totient is φ = 9631978272.

The previous prime is 10447256123. The next prime is 10447256147. The reversal of 10447256131 is 13165274401.

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 10447256131 - 23 = 10447256123 is a prime.

It is a super-2 number, since 2×104472561312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10447256431) 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, 473925 + ... + 495478.

It is an arithmetic number, because the mean of its divisors is an integer number (1408059310).

Almost surely, 210447256131 is an apocalyptic number.

10447256131 is a deficient number, since it is larger than the sum of its proper divisors (817218349).

10447256131 is an equidigital number, since it uses as much as digits as its factorization.

10447256131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970245.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 10447256131 in words is "ten billion, four hundred forty-seven million, two hundred fifty-six thousand, one hundred thirty-one".

Divisors: 1 13 829 10777 969403 12602239 803635087 10447256131