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2685160831 = 26325034079
BaseRepresentation
bin1010000000001100…
…0100110101111111
320221010121022012011
42200003010311333
520444400121311
61122240152051
7123353330143
oct24003046577
96833538164
102685160831
111158781091
1262b308627
1333a3bc382
141b688d223
1510ab03321
hexa00c4d7f

2685160831 has 8 divisors (see below), whose sum is σ = 2697108480. Its totient is φ = 2673226872.

The previous prime is 2685160813. The next prime is 2685160847. The reversal of 2685160831 is 1380615862.

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 2685160831 - 215 = 2685128063 is a prime.

It is a super-2 number, since 2×26851608312 = 14420177376673221122, 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 (2685160811) 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, 656250 + ... + 660328.

It is an arithmetic number, because the mean of its divisors is an integer number (337138560).

Almost surely, 22685160831 is an apocalyptic number.

2685160831 is a deficient number, since it is larger than the sum of its proper divisors (11947649).

2685160831 is a wasteful number, since it uses less digits than its factorization.

2685160831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 2685160831 is about 51818.5375227823. The cubic root of 2685160831 is about 1389.9209504240.

The spelling of 2685160831 in words is "two billion, six hundred eighty-five million, one hundred sixty thousand, eight hundred thirty-one".

Divisors: 1 263 2503 4079 658289 1072777 10209737 2685160831