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3117405369 = 313359322247
BaseRepresentation
bin1011100111001111…
…1101010010111001
322001020221121020010
42321303331102321
522341023432434
61233200452133
7140152336251
oct27163752271
98036847203
103117405369
11135a76a881
1273001a049
133a8b10480
14218048961
15133a359e9
hexb9cfd4b9

3117405369 has 16 divisors (see below), whose sum is σ = 4477721472. Its totient is φ = 1917783168.

The previous prime is 3117405293. The next prime is 3117405377. The reversal of 3117405369 is 9635047113.

It is not a de Polignac number, because 3117405369 - 28 = 3117405113 is a prime.

It is a super-2 number, since 2×31174053692 = 19436432469340052322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3117405169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129004 + ... + 151250.

It is an arithmetic number, because the mean of its divisors is an integer number (279857592).

Almost surely, 23117405369 is an apocalyptic number.

3117405369 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3117405369 is a deficient number, since it is larger than the sum of its proper divisors (1360316103).

3117405369 is a wasteful number, since it uses less digits than its factorization.

3117405369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25856.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 3117405369 is about 55833.7296712301. The cubic root of 3117405369 is about 1460.8235437885.

The spelling of 3117405369 in words is "three billion, one hundred seventeen million, four hundred five thousand, three hundred sixty-nine".

Divisors: 1 3 13 39 3593 10779 22247 46709 66741 140127 289211 867633 79933471 239800413 1039135123 3117405369