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77352460013 = 86389632051
BaseRepresentation
bin100100000001010010…
…0001101111011101101
321101122211022002220102
41020002210031323231
52231404212210023
655311335400445
75405603030063
oct1100244157355
9241584262812
1077352460013
112a8944a1104
1212ba9223125
1373a97883ca
143a5b2c0033
15202ad4c628
hex120290deed

77352460013 has 4 divisors (see below), whose sum is σ = 77442092928. Its totient is φ = 77262827100.

The previous prime is 77352460007. The next prime is 77352460039. The reversal of 77352460013 is 31006425377.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31006425377 = 117126478587.

It is a cyclic number.

It is not a de Polignac number, because 77352460013 - 224 = 77335682797 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 (77352460513) 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, 44815163 + ... + 44816888.

It is an arithmetic number, because the mean of its divisors is an integer number (19360523232).

Almost surely, 277352460013 is an apocalyptic number.

It is an amenable number.

77352460013 is a deficient number, since it is larger than the sum of its proper divisors (89632915).

77352460013 is an equidigital number, since it uses as much as digits as its factorization.

77352460013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89632914.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 77352460013 in words is "seventy-seven billion, three hundred fifty-two million, four hundred sixty thousand, thirteen".

Divisors: 1 863 89632051 77352460013