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2068978962960 = 243557131789773
BaseRepresentation
bin11110000110111000110…
…000011001001000010000
321022210101200221020100000
4132012320300121020100
5232344232103303320
64222250435330000
7302323141005240
oct36067060311020
97283350836300
102068978962960
117284a3760698
12294b94a50900
131201472b73a0
14721d3a3db20
1538c43b53c90
hex1e1b8c19210

2068978962960 has 1920 divisors, whose sum is σ = 9507981450240. Its totient is φ = 405711618048.

The previous prime is 2068978962931. The next prime is 2068978962971. The reversal of 2068978962960 is 692698798602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 2676557134 + ... + 2676557906.

It is an arithmetic number, because the mean of its divisors is an integer number (4952073672).

Almost surely, 22068978962960 is an apocalyptic number.

2068978962960 is a gapful number since it is divisible by the number (20) 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 2068978962960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4753990725120).

2068978962960 is an abundant number, since it is smaller than the sum of its proper divisors (7439002487280).

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

2068978962960 is a wasteful number, since it uses less digits than its factorization.

2068978962960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 72.

The spelling of 2068978962960 in words is "two trillion, sixty-eight billion, nine hundred seventy-eight million, nine hundred sixty-two thousand, nine hundred sixty".