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5755618861 = 14993839639
BaseRepresentation
bin1010101110000111…
…11100011000101101
3112212010012201202221
411113003330120231
543241414300421
62351042515341
7262425644626
oct52703743055
915763181687
105755618861
112493995703
121147665b51
13709572a45
143c8596a4d
1523a463841
hex1570fc62d

5755618861 has 4 divisors (see below), whose sum is σ = 5759460000. Its totient is φ = 5751777724.

The previous prime is 5755618859. The next prime is 5755618867. The reversal of 5755618861 is 1688165575.

It is a happy number.

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 5755618861 - 21 = 5755618859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5755618799 and 5755618808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5755618867) 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, 1918321 + ... + 1921318.

It is an arithmetic number, because the mean of its divisors is an integer number (1439865000).

Almost surely, 25755618861 is an apocalyptic number.

It is an amenable number.

5755618861 is a deficient number, since it is larger than the sum of its proper divisors (3841139).

5755618861 is a wasteful number, since it uses less digits than its factorization.

5755618861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841138.

The product of its digits is 2016000, while the sum is 52.

The square root of 5755618861 is about 75865.7950660243. The cubic root of 5755618861 is about 1792.1073005420.

The spelling of 5755618861 in words is "five billion, seven hundred fifty-five million, six hundred eighteen thousand, eight hundred sixty-one".

Divisors: 1 1499 3839639 5755618861