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7080085831 = 71325984857
BaseRepresentation
bin1101001100000000…
…11000100101000111
3200021102102121220011
412212000120211013
5104000000221311
63130314451051
7340310510440
oct64600304507
920242377804
107080085831
113003584305
121457133a87
1388aa96400
144b24462c7
152b6888321
hex1a6018947

7080085831 has 12 divisors (see below), whose sum is σ = 8761832112. Its totient is φ = 5601825216.

The previous prime is 7080085823. The next prime is 7080085847. The reversal of 7080085831 is 1385800807.

7080085831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7080085831 - 23 = 7080085823 is a prime.

It is a super-2 number, since 2×70800858312 (a number of 21 digits) 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 (7080085801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2991246 + ... + 2993611.

It is an arithmetic number, because the mean of its divisors is an integer number (730152676).

Almost surely, 27080085831 is an apocalyptic number.

7080085831 is a deficient number, since it is larger than the sum of its proper divisors (1681746281).

7080085831 is a wasteful number, since it uses less digits than its factorization.

7080085831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5984890 (or 5984877 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 7080085831 is about 84143.2459024490. The cubic root of 7080085831 is about 1920.1987127051.

The spelling of 7080085831 in words is "seven billion, eighty million, eighty-five thousand, eight hundred thirty-one".

Divisors: 1 7 13 91 169 1183 5984857 41893999 77803141 544621987 1011440833 7080085831