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525400139201 = 7238331496921
BaseRepresentation
bin1111010010101000100…
…10011110010111000001
31212020011001001110211212
413221110102132113001
532102004413423301
61041210540215505
752646622332330
oct7512422362701
91766131043755
10525400139201
11192903754a83
12859ab53a595
133a711544042
141b6027a9d17
15da009e54bb
hex7a5449e5c1

525400139201 has 8 divisors (see below), whose sum is σ = 600709296384. Its totient is φ = 450153980640.

The previous prime is 525400139177. The next prime is 525400139207. The reversal of 525400139201 is 102931004525.

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

It is a de Polignac number, because none of the positive numbers 2k-525400139201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525400139207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15731780 + ... + 15765141.

It is an arithmetic number, because the mean of its divisors is an integer number (75088662048).

Almost surely, 2525400139201 is an apocalyptic number.

It is an amenable number.

525400139201 is a deficient number, since it is larger than the sum of its proper divisors (75309157183).

525400139201 is a wasteful number, since it uses less digits than its factorization.

525400139201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31499311.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 525400139201 in words is "five hundred twenty-five billion, four hundred million, one hundred thirty-nine thousand, two hundred one".

Divisors: 1 7 2383 16681 31496921 220478447 75057162743 525400139201