Search a number
-
+
57815250005956 = 221072355312
BaseRepresentation
bin11010010010101001010010…
…11100000110111111000100
321120201002021011211112220011
431021110221130012333010
530034221113000142311
6322543543103520004
715115004535411202
oct1511245134067704
9246632234745804
1057815250005956
111747034542a333
126598b962b9004
132634c54589321
14103c3b72a8072
156a3d9239b321
hex349529706fc4

57815250005956 has 27 divisors (see below), whose sum is σ = 102133975696207. Its totient is φ = 28636654298120.

The previous prime is 57815250005899. The next prime is 57815250005971. The reversal of 57815250005956 is 65950005251875.

The square root of 57815250005956 is 7603634.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57815250005956.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1627159911 + ... + 1627195441.

Almost surely, 257815250005956 is an apocalyptic number.

57815250005956 is the 7603634-th square number.

It is an amenable number.

57815250005956 is a deficient number, since it is larger than the sum of its proper divisors (44318725690251).

57815250005956 is an frugal number, since it uses more digits than its factorization.

57815250005956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71280 (or 35640 counting only the distinct ones).

The product of its (nonzero) digits is 18900000, while the sum is 58.

The spelling of 57815250005956 in words is "fifty-seven trillion, eight hundred fifteen billion, two hundred fifty million, five thousand, nine hundred fifty-six".

Divisors: 1 2 4 107 214 428 11449 22898 35531 45796 71062 142124 3801817 7603634 15207268 406794419 813588838 1262451961 1627177676 2524903922 5049807844 135082359827 270164719654 540329439308 14453812501489 28907625002978 57815250005956