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11570320831 = 97714598117
BaseRepresentation
bin10101100011010010…
…10001010110111111
31002212100121012100011
422301221101112333
5142144000231311
65152040044051
7556503050536
oct126151212677
932770535304
1011570320831
1149a8165323
1222aaa63627
1311251312b4
147ba92d31d
1547ab98321
hex2b1a515bf

11570320831 has 8 divisors (see below), whose sum is σ = 11591529840. Its totient is φ = 11549132928.

The previous prime is 11570320813. The next prime is 11570320841. The reversal of 11570320831 is 13802307511.

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 11570320831 - 27 = 11570320703 is a prime.

It is a super-2 number, since 2×115703208312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11570320793 and 11570320802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11570320841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421385 + ... + 1429501.

It is an arithmetic number, because the mean of its divisors is an integer number (1448941230).

Almost surely, 211570320831 is an apocalyptic number.

11570320831 is a deficient number, since it is larger than the sum of its proper divisors (21209009).

11570320831 is an equidigital number, since it uses as much as digits as its factorization.

11570320831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 11570320831 in words is "eleven billion, five hundred seventy million, three hundred twenty thousand, eight hundred thirty-one".

Divisors: 1 977 1459 8117 1425443 7930309 11842703 11570320831