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2686381446496 = 25111931109118873
BaseRepresentation
bin100111000101111000110…
…011111101010101100000
3100111211000112122001100111
4213011320303331111200
5323003202122241441
65414035005301104
7365041015351666
oct47057063752540
910454015561314
102686381446496
11946319324690
1237477b864794
1316642b438b17
1494043212c36
1549d2b69d081
hex27178cfd560

2686381446496 has 192 divisors, whose sum is σ = 6326759577600. Its totient is φ = 1109218406400.

The previous prime is 2686381446487. The next prime is 2686381446499. The reversal of 2686381446496 is 6946441836862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686381446499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22539316 + ... + 22658188.

It is an arithmetic number, because the mean of its divisors is an integer number (32951872800).

Almost surely, 22686381446496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2686381446496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3163379788800).

2686381446496 is an abundant number, since it is smaller than the sum of its proper divisors (3640378131104).

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

2686381446496 is a wasteful number, since it uses less digits than its factorization.

2686381446496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119053 (or 119045 counting only the distinct ones).

The product of its digits is 286654464, while the sum is 67.

The spelling of 2686381446496 in words is "two trillion, six hundred eighty-six billion, three hundred eighty-one million, four hundred forty-six thousand, four hundred ninety-six".