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12499168273 = 167586712757
BaseRepresentation
bin10111010010000001…
…00010110000010001
31012021002101112111021
423221000202300101
5201044241341043
65424140315441
7621512114554
oct135100426021
935232345437
1012499168273
115334500139
122509b42b81
1312426b8177
1486803869b
154d24c23ed
hex2e9022c11

12499168273 has 8 divisors (see below), whose sum is σ = 12577142592. Its totient is φ = 12421231536.

The previous prime is 12499168219. The next prime is 12499168289. The reversal of 12499168273 is 37286199421.

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

It is a cyclic number.

It is not a de Polignac number, because 12499168273 - 29 = 12499167761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12499168273.

It is not an unprimeable number, because it can be changed into a prime (12499168573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973411 + ... + 986167.

It is an arithmetic number, because the mean of its divisors is an integer number (1572142824).

Almost surely, 212499168273 is an apocalyptic number.

It is an amenable number.

12499168273 is a deficient number, since it is larger than the sum of its proper divisors (77974319).

12499168273 is a wasteful number, since it uses less digits than its factorization.

12499168273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18791.

The product of its digits is 1306368, while the sum is 52.

The spelling of 12499168273 in words is "twelve billion, four hundred ninety-nine million, one hundred sixty-eight thousand, two hundred seventy-three".

Divisors: 1 167 5867 12757 979789 2130419 74845319 12499168273