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77051013 = 3134148187
BaseRepresentation
bin1001001011110…
…11010010000101
312100222121010020
410211323102011
5124211113023
611351245353
71623631344
oct445732205
9170877106
1077051013
113a547626
1221979859
1312c6a020
14a339b5b
156b6ede3
hex497b485

77051013 has 16 divisors (see below), whose sum is σ = 113338176. Its totient is φ = 46258560.

The previous prime is 77051011. The next prime is 77051017. The reversal of 77051013 is 31015077.

It is not a de Polignac number, because 77051013 - 21 = 77051011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77051011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22495 + ... + 25692.

It is an arithmetic number, because the mean of its divisors is an integer number (7083636).

Almost surely, 277051013 is an apocalyptic number.

It is an amenable number.

77051013 is a deficient number, since it is larger than the sum of its proper divisors (36287163).

77051013 is a wasteful number, since it uses less digits than its factorization.

77051013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48244.

The product of its (nonzero) digits is 735, while the sum is 24.

The square root of 77051013 is about 8777.8706415622. The cubic root of 77051013 is about 425.5260162781.

The spelling of 77051013 in words is "seventy-seven million, fifty-one thousand, thirteen".

Divisors: 1 3 13 39 41 123 533 1599 48187 144561 626431 1879293 1975667 5927001 25683671 77051013