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12543314160 = 2435134020293
BaseRepresentation
bin10111010111010001…
…11100100011110000
31012101011110101021010
423223220330203300
5201142042023120
65432354430520
7622556261016
oct135350744360
935334411233
1012543314160
115357412643
122520892440
13124b8a3ab0
1486dc4a8b6
154d62e27e0
hex2eba3c8f0

12543314160 has 80 divisors (see below), whose sum is σ = 41875382304. Its totient is φ = 3087584256.

The previous prime is 12543314123. The next prime is 12543314177. The reversal of 12543314160 is 6141334521.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2007027 + ... + 2013266.

Almost surely, 212543314160 is an apocalyptic number.

12543314160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12543314160 is an abundant number, since it is smaller than the sum of its proper divisors (29332068144).

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

12543314160 is a wasteful number, since it uses less digits than its factorization.

12543314160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020322 (or 4020316 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 12543314160 its reverse (6141334521), we get a palindrome (18684648681).

It can be divided in two parts, 1254331 and 4160, that added together give a triangular number (1258491 = T1586).

The spelling of 12543314160 in words is "twelve billion, five hundred forty-three million, three hundred fourteen thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 1040 1560 3120 4020293 8040586 12060879 16081172 20101465 24121758 32162344 40202930 48243516 52263809 60304395 64324688 80405860 96487032 104527618 120608790 156791427 160811720 192974064 209055236 241217580 261319045 313582854 321623440 418110472 482435160 522638090 627165708 783957135 836220944 964870320 1045276180 1254331416 1567914270 2090552360 2508662832 3135828540 4181104720 6271657080 12543314160