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12398975613882 = 2321121327110611523
BaseRepresentation
bin1011010001101101110010…
…0010010111101110111010
31121220022220221002021012200
42310123130202113232322
53111121100224121012
642212002154051030
72416540113535044
oct264333442275672
947808827067180
1012398975613882
113a50415547800
121483007a19a76
136bc2aba330a0
1430c183ac6a94
151677d491c3dc
hexb46dc897bba

12398975613882 has 288 divisors, whose sum is σ = 31968530350848. Its totient is φ = 3449923488000.

The previous prime is 12398975613863. The next prime is 12398975613919. The reversal of 12398975613882 is 28831657989321.

12398975613882 is a `hidden beast` number, since 1 + 2 + 398 + 9 + 75 + 61 + 38 + 82 = 666.

It is a super-2 number, since 2×123989756138822 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12398975613882.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8141151973 + ... + 8141153495.

It is an arithmetic number, because the mean of its divisors is an integer number (111001841496).

Almost surely, 212398975613882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12398975613882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15984265175424).

12398975613882 is an abundant number, since it is smaller than the sum of its proper divisors (19569554736966).

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

12398975613882 is a wasteful number, since it uses less digits than its factorization.

12398975613882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898 (or 2884 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 72.

The spelling of 12398975613882 in words is "twelve trillion, three hundred ninety-eight billion, nine hundred seventy-five million, six hundred thirteen thousand, eight hundred eighty-two".