Search a number
-
+
57101576661 = 3247891516763
BaseRepresentation
bin110101001011100001…
…001110100111010101
312110101111200122101200
4311023201032213111
51413421000423121
642122044543113
74061013251613
oct651341164725
9173344618350
1057101576661
1122242395778
12b097251a99
13550011bcac
142a9996c6b3
151743075a26
hexd4b84e9d5

57101576661 has 24 divisors (see below), whose sum is σ = 85181466240. Its totient is φ = 36839115456.

The previous prime is 57101576659. The next prime is 57101576669. The reversal of 57101576661 is 16667510175.

It is not a de Polignac number, because 57101576661 - 21 = 57101576659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57101576669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 720735 + ... + 796028.

It is an arithmetic number, because the mean of its divisors is an integer number (3549227760).

Almost surely, 257101576661 is an apocalyptic number.

It is an amenable number.

57101576661 is a deficient number, since it is larger than the sum of its proper divisors (28079889579).

57101576661 is a wasteful number, since it uses less digits than its factorization.

57101576661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516905 (or 1516902 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The spelling of 57101576661 in words is "fifty-seven billion, one hundred one million, five hundred seventy-six thousand, six hundred sixty-one".

Divisors: 1 3 9 47 89 141 267 423 801 4183 12549 37647 1516763 4550289 13650867 71287861 134991907 213863583 404975721 641590749 1214927163 6344619629 19033858887 57101576661