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57172412316 = 22346310290211
BaseRepresentation
bin110101001111101111…
…011100011110011100
312110120102222110122110
4311033233130132130
51414042114143231
642133055114020
74062533325555
oct651757343634
9173512873573
1057172412316
1122279377638
12b0b6b12910
1355119c0c96
142aa512b32c
1517493b9046
hexd4fbdc79c

57172412316 has 24 divisors (see below), whose sum is σ = 133690434304. Its totient is φ = 19016308080.

The previous prime is 57172412299. The next prime is 57172412317. The reversal of 57172412316 is 61321427175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57172412317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5139550 + ... + 5150661.

Almost surely, 257172412316 is an apocalyptic number.

It is an amenable number.

57172412316 is an abundant number, since it is smaller than the sum of its proper divisors (76518021988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57172412316 is a wasteful number, since it uses less digits than its factorization.

57172412316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10290681 (or 10290679 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The spelling of 57172412316 in words is "fifty-seven billion, one hundred seventy-two million, four hundred twelve thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 463 926 1389 1852 2778 5556 10290211 20580422 30870633 41160844 61741266 123482532 4764367693 9528735386 14293103079 19057470772 28586206158 57172412316