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1980692366016 = 263731317236197
BaseRepresentation
bin11100110100101010011…
…101110000001011000000
321000100111212010102100010
4130310222131300023000
5224422424221203031
64113530103224520
7263046255216000
oct34645235601300
97010455112303
101980692366016
116a4009227691
1227ba55a48140
13114a17455190
146bc1a516000
15367c7e27246
hex1cd2a7702c0

1980692366016 has 1792 divisors, whose sum is σ = 7467122073600. Its totient is φ = 457797795840.

The previous prime is 1980692365997. The next prime is 1980692366021. The reversal of 1980692366016 is 6106632960891.

It is a super-2 number, since 2×19806923660162 (a number of 25 digits) contains 22 as substring.

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, 20419508880 + ... + 20419508976.

It is an arithmetic number, because the mean of its divisors is an integer number (4166920800).

Almost surely, 21980692366016 is an apocalyptic number.

1980692366016 is a gapful number since it is divisible by the number (16) 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 1980692366016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3733561036800).

1980692366016 is an abundant number, since it is smaller than the sum of its proper divisors (5486429707584).

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

1980692366016 is a wasteful number, since it uses less digits than its factorization.

1980692366016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 57.

The spelling of 1980692366016 in words is "one trillion, nine hundred eighty billion, six hundred ninety-two million, three hundred sixty-six thousand, sixteen".