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1391882899680 = 25325713194313001
BaseRepresentation
bin10100010000010010101…
…011111001000011100000
311221001200201020101010200
4110100102223321003200
5140301034010242210
62543231105025200
7202363104303360
oct24202253710340
94831621211120
101391882899680
11497326679719
121a590a925200
13a133c043930
144b52057c9a0
15263157330c0
hex14412af90e0

1391882899680 has 1152 divisors, whose sum is σ = 6297178567680. Its totient is φ = 271724544000.

The previous prime is 1391882899669. The next prime is 1391882899703. The reversal of 1391882899680 is 869982881931.

1391882899680 is a `hidden beast` number, since 1 + 3 + 9 + 188 + 289 + 96 + 80 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1391882899599 and 1391882899608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 107053180 + ... + 107066180.

It is an arithmetic number, because the mean of its divisors is an integer number (5466300840).

Almost surely, 21391882899680 is an apocalyptic number.

1391882899680 is a gapful number since it is divisible by the number (10) 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 1391882899680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3148589283840).

1391882899680 is an abundant number, since it is smaller than the sum of its proper divisors (4905295668000).

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

1391882899680 is a wasteful number, since it uses less digits than its factorization.

1391882899680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13104 (or 13093 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 72.

The spelling of 1391882899680 in words is "one trillion, three hundred ninety-one billion, eight hundred eighty-two million, eight hundred ninety-nine thousand, six hundred eighty".