Search a number
-
+
75489864734386 = 21917493111356337
BaseRepresentation
bin10001001010100001011010…
…100100100101011010110010
3100220021202112110122202210101
4101022201122210211122302
534343311220333000021
6424315322021223014
721620651135651314
oct2112413244453262
9326252473582711
1075489864734386
1122065087698003
128572536b61a6a
1333178821bb13b
14148da2c33b7b4
158ad9e816da91
hex44a85a9256b2

75489864734386 has 16 divisors (see below), whose sum is σ = 119195215140960. Its totient is φ = 35758149416640.

The previous prime is 75489864734377. The next prime is 75489864734393. The reversal of 75489864734386 is 68343746898457.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969210 + ... + 12325546.

It is an arithmetic number, because the mean of its divisors is an integer number (7449700946310).

Almost surely, 275489864734386 is an apocalyptic number.

75489864734386 is a deficient number, since it is larger than the sum of its proper divisors (43705350406574).

75489864734386 is a wasteful number, since it uses less digits than its factorization.

75489864734386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11531289.

The product of its digits is 23410114560, while the sum is 82.

The spelling of 75489864734386 in words is "seventy-five trillion, four hundred eighty-nine billion, eight hundred sixty-four million, seven hundred thirty-four thousand, three hundred eighty-six".

Divisors: 1 2 19 38 174931 349862 3323689 6647378 11356337 22712674 215770403 431540806 1986575387747 3973150775494 37744932367193 75489864734386