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57074810309 = 115188619119
BaseRepresentation
bin110101001001111011…
…000111110111000101
312110022122022202212022
4311021323013313011
51413342122412214
642115251132525
74060236611606
oct651173076705
9173278282768
1057074810309
1122229273820
12b08a2a4145
1354c7709b0a
142a961a1dad
151740a39d8e
hexd49ec7dc5

57074810309 has 4 divisors (see below), whose sum is σ = 62263429440. Its totient is φ = 51886191180.

The previous prime is 57074810291. The next prime is 57074810323. The reversal of 57074810309 is 90301847075.

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 57074810309 - 220 = 57073761733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57074810309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57074813309) 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, 2594309549 + ... + 2594309570.

It is an arithmetic number, because the mean of its divisors is an integer number (15565857360).

Almost surely, 257074810309 is an apocalyptic number.

It is an amenable number.

57074810309 is a deficient number, since it is larger than the sum of its proper divisors (5188619131).

57074810309 is a wasteful number, since it uses less digits than its factorization.

57074810309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188619130.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 57074810309 in words is "fifty-seven billion, seventy-four million, eight hundred ten thousand, three hundred nine".

Divisors: 1 11 5188619119 57074810309