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12106858258 = 211550311739
BaseRepresentation
bin10110100011001111…
…11111111100010010
31011020202012010022201
423101213333330102
5144243323431013
65321203553414
7606006411565
oct132147777422
934222163281
1012106858258
115153007890
12241a68b86a
1311ac339b71
1482bcb64dc
154acd2c3dd
hex2d19fff12

12106858258 has 8 divisors (see below), whose sum is σ = 19811222640. Its totient is φ = 5503117380.

The previous prime is 12106858217. The next prime is 12106858271. The reversal of 12106858258 is 85285860121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275155848 + ... + 275155891.

It is an arithmetic number, because the mean of its divisors is an integer number (2476402830).

Almost surely, 212106858258 is an apocalyptic number.

12106858258 is a deficient number, since it is larger than the sum of its proper divisors (7704364382).

12106858258 is a wasteful number, since it uses less digits than its factorization.

12106858258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550311752.

The product of its (nonzero) digits is 307200, while the sum is 46.

The spelling of 12106858258 in words is "twelve billion, one hundred six million, eight hundred fifty-eight thousand, two hundred fifty-eight".

Divisors: 1 2 11 22 550311739 1100623478 6053429129 12106858258