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427844062525 = 52111555796591
BaseRepresentation
bin1100011100111010111…
…11100100110100111101
31111220100012002022010211
412032131133210310331
524002211040000100
6524314315032421
742624242345605
oct6163537446475
91456305068124
10427844062525
111554a1901720
126ab0413b711
133146515b799
14169ca15dc05
15b1e110b1ba
hex639d7e4d3d

427844062525 has 12 divisors (see below), whose sum is σ = 578756332224. Its totient is φ = 311159318000.

The previous prime is 427844062523. The next prime is 427844062553. The reversal of 427844062525 is 525260448724.

It is not a de Polignac number, because 427844062525 - 21 = 427844062523 is a prime.

It is a super-2 number, since 2×4278440625252 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427844062523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777898021 + ... + 777898570.

It is an arithmetic number, because the mean of its divisors is an integer number (48229694352).

Almost surely, 2427844062525 is an apocalyptic number.

It is an amenable number.

427844062525 is a deficient number, since it is larger than the sum of its proper divisors (150912269699).

427844062525 is a wasteful number, since it uses less digits than its factorization.

427844062525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555796612 (or 1555796607 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 49.

The spelling of 427844062525 in words is "four hundred twenty-seven billion, eight hundred forty-four million, sixty-two thousand, five hundred twenty-five".

Divisors: 1 5 11 25 55 275 1555796591 7778982955 17113762501 38894914775 85568812505 427844062525