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2830079031 = 313149487021
BaseRepresentation
bin1010100010101111…
…1001010000110111
321022020021220120220
42220223321100313
521244000012111
61144454225423
7130063163163
oct25053712067
97266256526
102830079031
11122256229a
1266b955273
1336142c1a0
141cbc13ca3
151186cbe06
hexa8af9437

2830079031 has 16 divisors (see below), whose sum is σ = 4090984800. Its totient is φ = 1729895040.

The previous prime is 2830079003. The next prime is 2830079071. The reversal of 2830079031 is 1309700382.

It is not a de Polignac number, because 2830079031 - 26 = 2830078967 is a prime.

It is a super-2 number, since 2×28300790312 = 16018694643411797922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2830078983 and 2830079001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830079071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237700 + ... + 249321.

It is an arithmetic number, because the mean of its divisors is an integer number (255686550).

Almost surely, 22830079031 is an apocalyptic number.

2830079031 is a deficient number, since it is larger than the sum of its proper divisors (1260905769).

2830079031 is a wasteful number, since it uses less digits than its factorization.

2830079031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487186.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2830079031 is about 53198.4871119471. The cubic root of 2830079031 is about 1414.4888265009.

The spelling of 2830079031 in words is "two billion, eight hundred thirty million, seventy-nine thousand, thirty-one".

Divisors: 1 3 13 39 149 447 1937 5811 487021 1461063 6331273 18993819 72566129 217698387 943359677 2830079031