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5391820877 = 11347715229
BaseRepresentation
bin1010000010110000…
…01010100001001101
3111220202122212202112
411001120022201031
542020301232002
62251005233405
7250420502252
oct50130124115
914822585675
105391820877
1123175a6913
121065862865
1367c098371
14392137429
15218551852
hex14160a84d

5391820877 has 4 divisors (see below), whose sum is σ = 5439536220. Its totient is φ = 5344105536.

The previous prime is 5391820831. The next prime is 5391820879. The reversal of 5391820877 is 7780281935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7780281935 = 51556056387.

It can be written as a sum of positive squares in 2 ways, for example, as 1683132676 + 3708688201 = 41026^2 + 60899^2 .

It is a cyclic number.

It is not a de Polignac number, because 5391820877 - 214 = 5391804493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5391820879) 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, 23857502 + ... + 23857727.

It is an arithmetic number, because the mean of its divisors is an integer number (1359884055).

Almost surely, 25391820877 is an apocalyptic number.

It is an amenable number.

5391820877 is a deficient number, since it is larger than the sum of its proper divisors (47715343).

5391820877 is a wasteful number, since it uses less digits than its factorization.

5391820877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47715342.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 5391820877 is about 73429.0193111688. The cubic root of 5391820877 is about 1753.5244212364.

The spelling of 5391820877 in words is "five billion, three hundred ninety-one million, eight hundred twenty thousand, eight hundred seventy-seven".

Divisors: 1 113 47715229 5391820877