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1399857338854 = 21353840666879
BaseRepresentation
bin10100010111101101111…
…111111101100111100110
311221211021110112212011201
4110113231333331213212
5140413401434320404
62551030252553114
7203064525024232
oct24275577754746
94854243485151
101399857338854
1149a748a78917
121a737548279a
13a20101a74b0
144ba796b15c2
152663087eca4
hex145edffd9e6

1399857338854 has 8 divisors (see below), whose sum is σ = 2261308008960. Its totient is φ = 646088002536.

The previous prime is 1399857338833. The next prime is 1399857338861. The reversal of 1399857338854 is 4588337589931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26920333414 + ... + 26920333465.

It is an arithmetic number, because the mean of its divisors is an integer number (282663501120).

Almost surely, 21399857338854 is an apocalyptic number.

1399857338854 is a deficient number, since it is larger than the sum of its proper divisors (861450670106).

1399857338854 is a wasteful number, since it uses less digits than its factorization.

1399857338854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53840666894.

The product of its digits is 783820800, while the sum is 73.

The spelling of 1399857338854 in words is "one trillion, three hundred ninety-nine billion, eight hundred fifty-seven million, three hundred thirty-eight thousand, eight hundred fifty-four".

Divisors: 1 2 13 26 53840666879 107681333758 699928669427 1399857338854