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2858708131 is a prime number
BaseRepresentation
bin1010101001100100…
…0110110010100011
321101020011102022221
42222121012302203
521323312130011
61151400011511
7130561422016
oct25231066243
97336142287
102858708131
111237736804
12679460b97
13367344196
141d194737d
1511ae84971
hexaa646ca3

2858708131 has 2 divisors, whose sum is σ = 2858708132. Its totient is φ = 2858708130.

The previous prime is 2858708129. The next prime is 2858708201. The reversal of 2858708131 is 1318078582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2858708131 - 21 = 2858708129 is a prime.

It is a super-2 number, since 2×28587081312 = 16344424356491026322, which contains 22 as substring.

Together with 2858708129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2858708731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429354065 + 1429354066.

It is an arithmetic number, because the mean of its divisors is an integer number (1429354066).

Almost surely, 22858708131 is an apocalyptic number.

2858708131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2858708131 is an equidigital number, since it uses as much as digits as its factorization.

2858708131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 43.

The square root of 2858708131 is about 53466.8881738969. Note that the first 3 decimals coincide. The cubic root of 2858708131 is about 1419.2424927219.

The spelling of 2858708131 in words is "two billion, eight hundred fifty-eight million, seven hundred eight thousand, one hundred thirty-one".