Search a number
-
+
57164445472 = 255647316343
BaseRepresentation
bin110101001111010001…
…000011011100100000
312110112212222201012011
4311033101003130200
51414033044223342
642132212242304
74062405524611
oct651721033440
9173485881164
1057164445472
1122274925a72
12b0b4310394
135510161984
142aa4055c08
151748843717
hexd4f443720

57164445472 has 24 divisors (see below), whose sum is σ = 112562787456. Its totient is φ = 28577070912.

The previous prime is 57164445461. The next prime is 57164445491. The reversal of 57164445472 is 27454446175.

It is a super-2 number, since 2×571644454722 (a number of 22 digits) contains 22 as substring.

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, 22533 + ... + 338875.

It is an arithmetic number, because the mean of its divisors is an integer number (4690116144).

Almost surely, 257164445472 is an apocalyptic number.

It is an amenable number.

57164445472 is a deficient number, since it is larger than the sum of its proper divisors (55398341984).

57164445472 is a wasteful number, since it uses less digits than its factorization.

57164445472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322000 (or 321992 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 49.

The spelling of 57164445472 in words is "fifty-seven billion, one hundred sixty-four million, four hundred forty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 5647 11294 22588 45176 90352 180704 316343 632686 1265372 2530744 5061488 10122976 1786388921 3572777842 7145555684 14291111368 28582222736 57164445472