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12318172752369 = 311434985830757
BaseRepresentation
bin1011001101000000110001…
…0011111010100111110001
31121121121100122020121021010
42303100030103322213301
53103310104211033434
642110520200221133
72410646542541241
oct263201423724761
947547318217233
1012318172752369
113a1a120425a10
12146b41716a7a9
136b47a2485ab3
143082ba479b21
15165655c0d9e9
hexb340c4fa9f1

12318172752369 has 16 divisors (see below), whose sum is σ = 17921462270400. Its totient is φ = 7463842541760.

The previous prime is 12318172752331. The next prime is 12318172752371. The reversal of 12318172752369 is 96325727181321.

12318172752369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12318172752369 - 220 = 12318171703793 is a prime.

It is a super-2 number, since 2×123181727523692 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12318172752869) 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, 42771862 + ... + 43058895.

It is an arithmetic number, because the mean of its divisors is an integer number (1120091391900).

Almost surely, 212318172752369 is an apocalyptic number.

It is an amenable number.

12318172752369 is a deficient number, since it is larger than the sum of its proper divisors (5603289518031).

12318172752369 is a wasteful number, since it uses less digits than its factorization.

12318172752369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85835120.

The product of its digits is 7620480, while the sum is 57.

The spelling of 12318172752369 in words is "twelve trillion, three hundred eighteen billion, one hundred seventy-two million, seven hundred fifty-two thousand, three hundred sixty-nine".

Divisors: 1 3 11 33 4349 13047 47839 143517 85830757 257492271 944138327 2832414981 373277962193 1119833886579 4106057584123 12318172752369