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12408968057876 = 2213238634001113
BaseRepresentation
bin1011010010010011000000…
…1000100001010000010100
31121221021201022122000102222
42310210300020201100110
53111302031310323001
642220333510521512
72420342540106605
oct264446010412024
947837638560388
1012408968057876
113a54682a70885
121484b36366298
136c0211ca6240
1430c850c3ddac
15167bbbcd661b
hexb4930221414

12408968057876 has 12 divisors (see below), whose sum is σ = 23386132109172. Its totient is φ = 5727216026688.

The previous prime is 12408968057851. The next prime is 12408968057909. The reversal of 12408968057876 is 67875086980421.

It can be written as a sum of positive squares in 2 ways, for example, as 5056085033476 + 7352883024400 = 2248574^2 + 2711620^2 .

It is a super-2 number, since 2×124089680578762 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 119317000505 + ... + 119317000608.

It is an arithmetic number, because the mean of its divisors is an integer number (1948844342431).

Almost surely, 212408968057876 is an apocalyptic number.

It is an amenable number.

12408968057876 is a deficient number, since it is larger than the sum of its proper divisors (10977164051296).

12408968057876 is a wasteful number, since it uses less digits than its factorization.

12408968057876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238634001130 (or 238634001128 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 71.

The spelling of 12408968057876 in words is "twelve trillion, four hundred eight billion, nine hundred sixty-eight million, fifty-seven thousand, eight hundred seventy-six".

Divisors: 1 2 4 13 26 52 238634001113 477268002226 954536004452 3102242014469 6204484028938 12408968057876