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5858442781 = 34916786369
BaseRepresentation
bin1010111010011000…
…01011111000011101
3120010021200201200021
411131030023320131
543444230132111
62405154432141
7265114641052
oct53514137035
916107621607
105858442781
112536a35854
121175b92651
137249649b9
143d80c1029
152444c4d71
hex15d30be1d

5858442781 has 4 divisors (see below), whose sum is σ = 5875229500. Its totient is φ = 5841656064.

The previous prime is 5858442739. The next prime is 5858442827. The reversal of 5858442781 is 1872448585.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4985772100 + 872670681 = 70610^2 + 29541^2 .

It is a cyclic number.

It is not a de Polignac number, because 5858442781 - 211 = 5858440733 is a prime.

It is a super-2 number, since 2×58584427812 = 68642703636502027922, which 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 (5858442721) 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, 8392836 + ... + 8393533.

It is an arithmetic number, because the mean of its divisors is an integer number (1468807375).

Almost surely, 25858442781 is an apocalyptic number.

It is an amenable number.

5858442781 is a deficient number, since it is larger than the sum of its proper divisors (16786719).

5858442781 is a wasteful number, since it uses less digits than its factorization.

5858442781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16786718.

The product of its digits is 2867200, while the sum is 52.

The square root of 5858442781 is about 76540.4649907485. The cubic root of 5858442781 is about 1802.7163494613.

The spelling of 5858442781 in words is "five billion, eight hundred fifty-eight million, four hundred forty-two thousand, seven hundred eighty-one".

Divisors: 1 349 16786369 5858442781