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2871250980864 = 2123723289709
BaseRepresentation
bin101001110010000011111…
…001010001000000000000
3101011111012102021102221220
4221302003321101000000
5334020310222341424
610035011241115040
7414304163436210
oct51620371210000
911144172242856
102871250980864
11a07766364032
123a4574188a80
1317a9b0b8c546
149cd7da2c240
154ea4b63b579
hex29c83e51000

2871250980864 has 624 divisors, whose sum is σ = 9262173110400. Its totient is φ = 774778650624.

The previous prime is 2871250980859. The next prime is 2871250980869. The reversal of 2871250980864 is 4680890521782.

It is an interprime number because it is at equal distance from previous prime (2871250980859) and next prime (2871250980869).

It is a super-2 number, since 2×28712509808642 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2871250980798 and 2871250980807.

It is not an unprimeable number, because it can be changed into a prime (2871250980869) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4049718942 + ... + 4049719650.

Almost surely, 22871250980864 is an apocalyptic number.

2871250980864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2871250980864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4631086555200).

2871250980864 is an abundant number, since it is smaller than the sum of its proper divisors (6390922129536).

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

2871250980864 is an equidigital number, since it uses as much as digits as its factorization.

2871250980864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 2871250980864 in words is "two trillion, eight hundred seventy-one billion, two hundred fifty million, nine hundred eighty thousand, eight hundred sixty-four".