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142804208515 = 5432263929339
BaseRepresentation
bin1000010011111111001…
…0110100101110000011
3111122121021022102122211
42010333302310232003
54314430334133030
6145334153442551
713213551513223
oct2047762645603
9448537272584
10142804208515
1155621286541
1223814a10457
131060a833987
146ca9c2a083
153aabedd12a
hex213fcb4b83

142804208515 has 16 divisors (see below), whose sum is σ = 175364006400. Its totient is φ = 111577812192.

The previous prime is 142804208489. The next prime is 142804208587. The reversal of 142804208515 is 515802408241.

It is a cyclic number.

It is not a de Polignac number, because 142804208515 - 29 = 142804208003 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4852716 + ... + 4882054.

It is an arithmetic number, because the mean of its divisors is an integer number (10960250400).

Almost surely, 2142804208515 is an apocalyptic number.

142804208515 is a deficient number, since it is larger than the sum of its proper divisors (32559797885).

142804208515 is a wasteful number, since it uses less digits than its factorization.

142804208515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52026.

The product of its (nonzero) digits is 102400, while the sum is 40.

The spelling of 142804208515 in words is "one hundred forty-two billion, eight hundred four million, two hundred eight thousand, five hundred fifteen".

Divisors: 1 5 43 215 22639 29339 113195 146695 973477 1261577 4867385 6307885 664205621 3321028105 28560841703 142804208515