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5396985961 = 19128256471
BaseRepresentation
bin1010000011010111…
…10111100001101001
3111221010101021220221
411001223313201221
542023112022321
62251312050041
7250512423643
oct50153674151
914833337827
105396985961
11231a504484
121067533921
13680186323
14392abd893
15218c21e41
hex141af7869

5396985961 has 4 divisors (see below), whose sum is σ = 5425242624. Its totient is φ = 5368729300.

The previous prime is 5396985887. The next prime is 5396985973. The reversal of 5396985961 is 1695896935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5396985961 - 29 = 5396985449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5396985961.

It is not an unprimeable number, because it can be changed into a prime (5396985991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14128045 + ... + 14128426.

It is an arithmetic number, because the mean of its divisors is an integer number (1356310656).

Almost surely, 25396985961 is an apocalyptic number.

It is an amenable number.

5396985961 is a deficient number, since it is larger than the sum of its proper divisors (28256663).

5396985961 is a wasteful number, since it uses less digits than its factorization.

5396985961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28256662.

The product of its digits is 15746400, while the sum is 61.

The square root of 5396985961 is about 73464.1814832235. The cubic root of 5396985961 is about 1754.0841709388.

The spelling of 5396985961 in words is "five billion, three hundred ninety-six million, nine hundred eighty-five thousand, nine hundred sixty-one".

Divisors: 1 191 28256471 5396985961