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2122012195 = 54116576247
BaseRepresentation
bin111111001111011…
…0101011000100011
312110212221101111021
41332132311120203
513321213342240
6550322030311
7103404543322
oct17636653043
95425841437
102122012195
11999903196
124b27a8397
1327a827124
14161b7a0b9
15c646454a
hex7e7b5623

2122012195 has 16 divisors (see below), whose sum is σ = 2610514368. Its totient is φ = 1654940160.

The previous prime is 2122012181. The next prime is 2122012213. The reversal of 2122012195 is 5912102212.

It is a de Polignac number, because none of the positive numbers 2k-2122012195 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336562 + ... + 342808.

It is an arithmetic number, because the mean of its divisors is an integer number (163157148).

Almost surely, 22122012195 is an apocalyptic number.

2122012195 is a deficient number, since it is larger than the sum of its proper divisors (488502173).

2122012195 is a wasteful number, since it uses less digits than its factorization.

2122012195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 2122012195 is about 46065.3035917490. The cubic root of 2122012195 is about 1285.0379646310.

The spelling of 2122012195 in words is "two billion, one hundred twenty-two million, twelve thousand, one hundred ninety-five".

Divisors: 1 5 41 205 1657 6247 8285 31235 67937 256127 339685 1280635 10351279 51756395 424402439 2122012195