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12575471214 = 2319236437459
BaseRepresentation
bin10111011011000111…
…00111011001101110
31012110101222010110010
423231203213121232
5201223310034324
65435503554050
7623426512245
oct135543473156
935411863403
1012575471214
115373586719
12252b5bb926
131255452837
1487421b95c
154d9045829
hex2ed8e766e

12575471214 has 64 divisors (see below), whose sum is σ = 27672422400. Its totient is φ = 3792124512.

The previous prime is 12575471213. The next prime is 12575471239. The reversal of 12575471214 is 41217457521.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12575471213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1682217 + ... + 1689675.

It is an arithmetic number, because the mean of its divisors is an integer number (432381600).

Almost surely, 212575471214 is an apocalyptic number.

12575471214 is an abundant number, since it is smaller than the sum of its proper divisors (15096951186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12575471214 is a wasteful number, since it uses less digits than its factorization.

12575471214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8149.

The product of its digits is 78400, while the sum is 39.

The spelling of 12575471214 in words is "twelve billion, five hundred seventy-five million, four hundred seventy-one thousand, two hundred fourteen".

Divisors: 1 2 3 6 19 23 38 46 57 69 114 138 437 643 874 1286 1311 1929 2622 3858 7459 12217 14789 14918 22377 24434 29578 36651 44367 44754 73302 88734 141721 171557 280991 283442 343114 425163 514671 561982 842973 850326 1029342 1685946 3259583 4796137 6519166 9592274 9778749 14388411 19557498 28776822 91126603 110311151 182253206 220622302 273379809 330933453 546759618 661866906 2095911869 4191823738 6287735607 12575471214