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12718044518152 = 231997988721431
BaseRepresentation
bin1011100100010010011010…
…0001101001011100001000
31200000211111101111222222111
42321010212201221130020
53131333023344040102
643014331120032104
72451563666504461
oct271044641513410
950024441458874
1012718044518152
114063768632016
121514a13462634
137133ca3762ac
1431d7b15bbd68
15170c5b226cd7
hexb9126869708

12718044518152 has 16 divisors (see below), whose sum is σ = 23966164296000. Its totient is φ = 6327067372560.

The previous prime is 12718044518131. The next prime is 12718044518177. The reversal of 12718044518152 is 25181544081721.

It is a super-2 number, since 2×127180445181522 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12718044518096 and 12718044518105.

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, 3994359124 + ... + 3994362307.

It is an arithmetic number, because the mean of its divisors is an integer number (1497885268500).

Almost surely, 212718044518152 is an apocalyptic number.

It is an amenable number.

12718044518152 is a deficient number, since it is larger than the sum of its proper divisors (11248119777848).

12718044518152 is a wasteful number, since it uses less digits than its factorization.

12718044518152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7988721636 (or 7988721632 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 49.

Adding to 12718044518152 its reverse (25181544081721), we get a palindrome (37899588599873).

The spelling of 12718044518152 in words is "twelve trillion, seven hundred eighteen billion, forty-four million, five hundred eighteen thousand, one hundred fifty-two".

Divisors: 1 2 4 8 199 398 796 1592 7988721431 15977442862 31954885724 63909771448 1589755564769 3179511129538 6359022259076 12718044518152