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12880995104250 = 23353713191103699
BaseRepresentation
bin1011101101110001011100…
…1000110011010111111010
31200121102002200210110012000
42323130113020303113322
53142020234221314000
643221240352401430
72466423031566510
oct273342710632772
950542080713160
1012880995104250
114116887a25189
12154050b246276
137258989b5a40
1432762cd144b0
151750e6c47000
hexbb7172335fa

12880995104250 has 512 divisors, whose sum is σ = 46281231360000. Its totient is φ = 2574706694400.

The previous prime is 12880995104233. The next prime is 12880995104267. The reversal of 12880995104250 is 5240159908821.

12880995104250 is a `hidden beast` number, since 1 + 2 + 8 + 80 + 9 + 9 + 510 + 42 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (12880995104233) and next prime (12880995104267).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 11118901 + ... + 12222599.

It is an arithmetic number, because the mean of its divisors is an integer number (90393030000).

Almost surely, 212880995104250 is an apocalyptic number.

12880995104250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12880995104250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23140615680000).

12880995104250 is an abundant number, since it is smaller than the sum of its proper divisors (33400236255750).

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

12880995104250 is a wasteful number, since it uses less digits than its factorization.

12880995104250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103764 (or 1103748 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 54.

The spelling of 12880995104250 in words is "twelve trillion, eight hundred eighty billion, nine hundred ninety-five million, one hundred four thousand, two hundred fifty".