Search a number
-
+
65057443372 = 2217879101489
BaseRepresentation
bin111100100101101110…
…011100111000101100
320012220222001112210201
4330211232130320230
52031214201141442
645515330443244
74462120100365
oct744556347054
9205828045721
1065057443372
112565525a129
1210737733524
13619a47c12c
143212428b6c
151a5b7547b7
hexf25b9ce2c

65057443372 has 12 divisors (see below), whose sum is σ = 113914248840. Its totient is φ = 32510515136.

The previous prime is 65057443337. The next prime is 65057443459. The reversal of 65057443372 is 27334475056.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4543597 + ... + 4557892.

It is an arithmetic number, because the mean of its divisors is an integer number (9492854070).

Almost surely, 265057443372 is an apocalyptic number.

It is an amenable number.

65057443372 is a deficient number, since it is larger than the sum of its proper divisors (48856805468).

65057443372 is a wasteful number, since it uses less digits than its factorization.

65057443372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103280 (or 9103278 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 46.

The spelling of 65057443372 in words is "sixty-five billion, fifty-seven million, four hundred forty-three thousand, three hundred seventy-two".

Divisors: 1 2 4 1787 3574 7148 9101489 18202978 36405956 16264360843 32528721686 65057443372