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3115493992 = 2313196125847
BaseRepresentation
bin1011100110110010…
…1010101001101000
322001010100111022101
42321230222221220
522340031301432
61233051503144
7140130155602
oct27154525150
98033314271
103115493992
111359684826
1272b457ab4
133a85c1490
14217aac172
151337a94e7
hexb9b2aa68

3115493992 has 64 divisors (see below), whose sum is σ = 6730819200. Its totient is φ = 1339856640.

The previous prime is 3115493971. The next prime is 3115494119. The reversal of 3115493992 is 2993945113.

3115493992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107613 + ... + 133459.

It is an arithmetic number, because the mean of its divisors is an integer number (105169050).

Almost surely, 23115493992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3115493992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3365409600).

3115493992 is an abundant number, since it is smaller than the sum of its proper divisors (3615325208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3115493992 is a wasteful number, since it uses less digits than its factorization.

3115493992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25946 (or 25942 counting only the distinct ones).

The product of its digits is 262440, while the sum is 46.

The square root of 3115493992 is about 55816.6103592828. The cubic root of 3115493992 is about 1460.5249241519.

The spelling of 3115493992 in words is "three billion, one hundred fifteen million, four hundred ninety-three thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 19 26 38 52 61 76 104 122 152 244 247 488 494 793 988 1159 1586 1976 2318 3172 4636 6344 9272 15067 25847 30134 51694 60268 103388 120536 206776 336011 491093 672022 982186 1344044 1576667 1964372 2688088 3153334 3928744 6306668 6384209 12613336 12768418 20496671 25536836 29956673 40993342 51073672 59913346 81986684 119826692 163973368 239653384 389436749 778873498 1557746996 3115493992