Search a number
-
+
57442514941 = 71812463541
BaseRepresentation
bin110101011111110101…
…110011011111111101
312111021021020002210101
4311133311303133331
51420120240434231
642215544241101
74102323215020
oct653765633775
9174237202711
1057442514941
11223a7890749
12b171470191
135555951716
142accd5b1b7
151762e6e661
hexd5fd737fd

57442514941 has 24 divisors (see below), whose sum is σ = 66278153472. Its totient is φ = 48768350400.

The previous prime is 57442514929. The next prime is 57442514947. The reversal of 57442514941 is 14941524475.

It is not a de Polignac number, because 57442514941 - 215 = 57442482173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57442514891 and 57442514900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57442514947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106178131 + ... + 106178671.

It is an arithmetic number, because the mean of its divisors is an integer number (2761589728).

Almost surely, 257442514941 is an apocalyptic number.

It is an amenable number.

57442514941 is a deficient number, since it is larger than the sum of its proper divisors (8835638531).

57442514941 is an equidigital number, since it uses as much as digits as its factorization.

57442514941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1192 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The spelling of 57442514941 in words is "fifty-seven billion, four hundred forty-two million, five hundred fourteen thousand, nine hundred forty-one".

Divisors: 1 7 181 463 541 1267 3241 3787 32761 83803 97921 229327 250483 586621 685447 1753381 15168343 17723701 45337423 106178401 124065907 317361961 8206073563 57442514941