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520800168107 = 3848171353371
BaseRepresentation
bin1111001010000100001…
…10111110100010101011
31211210021110101201210002
413211002012332202223
532013044320334412
61035130255013215
752424625250022
oct7450206764253
91753243351702
10520800168107
1119096313267a
1284b26b0a20b
133a15a536c5b
141b2c78b98b9
15d831c5adc2
hex79421be8ab

520800168107 has 4 divisors (see below), whose sum is σ = 520801906296. Its totient is φ = 520798429920.

The previous prime is 520800168071. The next prime is 520800168139. The reversal of 520800168107 is 701861008025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520800168107 - 220 = 520799119531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520800168197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291869 + ... + 1061502.

It is an arithmetic number, because the mean of its divisors is an integer number (130200476574).

Almost surely, 2520800168107 is an apocalyptic number.

520800168107 is a deficient number, since it is larger than the sum of its proper divisors (1738189).

520800168107 is a wasteful number, since it uses less digits than its factorization.

520800168107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738188.

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 520800168107 in words is "five hundred twenty billion, eight hundred million, one hundred sixty-eight thousand, one hundred seven".

Divisors: 1 384817 1353371 520800168107