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2930811079 = 72297272837
BaseRepresentation
bin1010111010110000…
…1010000011000111
321120020211121222111
42232230022003013
522000241423304
61202453241451
7132425324500
oct25654120307
97506747874
102930811079
111274403819
12699633287
1337926ac51
141db355ba7
15122478704
hexaeb0a0c7

2930811079 has 24 divisors (see below), whose sum is σ = 3532969440. Its totient is φ = 2421308736.

The previous prime is 2930811073. The next prime is 2930811097. The reversal of 2930811079 is 9701180392.

It is not a de Polignac number, because 2930811079 - 215 = 2930778311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2930811073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1031649 + ... + 1034485.

It is an arithmetic number, because the mean of its divisors is an integer number (147207060).

Almost surely, 22930811079 is an apocalyptic number.

2930811079 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2930811079 is a deficient number, since it is larger than the sum of its proper divisors (602158361).

2930811079 is a wasteful number, since it uses less digits than its factorization.

2930811079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607 (or 3600 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 2930811079 is about 54136.9659197853. The cubic root of 2930811079 is about 1431.0757027467.

The spelling of 2930811079 in words is "two billion, nine hundred thirty million, eight hundred eleven thousand, seventy-nine".

Divisors: 1 7 29 49 203 727 1421 2837 5089 19859 21083 35623 82273 139013 147581 575911 1033067 2062499 4031377 14437493 59812471 101062451 418687297 2930811079