Search a number
-
+
57511481601 = 372738641981
BaseRepresentation
bin110101100011111100…
…111001000100000001
312111110001222222021010
4311203330321010001
51420240414402401
642230450351133
74104121346010
oct654374710401
9174401888233
1057511481601
1122432806392
12b19058b4a9
13556701aab2
142ad8190a77
151769043ed6
hexd63f39101

57511481601 has 8 divisors (see below), whose sum is σ = 87636543424. Its totient is φ = 32863703760.

The previous prime is 57511481591. The next prime is 57511481633. The reversal of 57511481601 is 10618411575.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57511481601 - 26 = 57511481537 is a prime.

It is a super-3 number, since 3×575114816013 (a number of 33 digits) contains 333 as substring.

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 57511481601.

It is not an unprimeable number, because it can be changed into a prime (57511482601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369320970 + ... + 1369321011.

It is an arithmetic number, because the mean of its divisors is an integer number (10954567928).

Almost surely, 257511481601 is an apocalyptic number.

It is an amenable number.

57511481601 is a deficient number, since it is larger than the sum of its proper divisors (30125061823).

57511481601 is a wasteful number, since it uses less digits than its factorization.

57511481601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738641991.

The product of its (nonzero) digits is 33600, while the sum is 39.

The spelling of 57511481601 in words is "fifty-seven billion, five hundred eleven million, four hundred eighty-one thousand, six hundred one".

Divisors: 1 3 7 21 2738641981 8215925943 19170493867 57511481601