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2957318831 = 9733479109
BaseRepresentation
bin1011000001000101…
…0001101010101111
321122002201100210002
42300101101222233
522024033200311
61205241334515
7133166536535
oct26021215257
97562640702
102957318831
111288369455
126a649743b
133818bc4cc
14200a96155
1512496293b
hexb0451aaf

2957318831 has 8 divisors (see below), whose sum is σ = 2989027440. Its totient is φ = 2925635328.

The previous prime is 2957318803. The next prime is 2957318867. The reversal of 2957318831 is 1388137592.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2957318831 is a prime.

It is a super-2 number, since 2×29573188312 = 17491469336374413122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2957318431) 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, 320105 + ... + 329213.

It is an arithmetic number, because the mean of its divisors is an integer number (373628430).

Almost surely, 22957318831 is an apocalyptic number.

2957318831 is a deficient number, since it is larger than the sum of its proper divisors (31708609).

2957318831 is an equidigital number, since it uses as much as digits as its factorization.

2957318831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12553.

The product of its digits is 362880, while the sum is 47.

The square root of 2957318831 is about 54381.2360194213. The cubic root of 2957318831 is about 1435.3772201299.

The spelling of 2957318831 in words is "two billion, nine hundred fifty-seven million, three hundred eighteen thousand, eight hundred thirty-one".

Divisors: 1 97 3347 9109 324659 883573 30487823 2957318831