Search a number
-
+
445161307964 = 221775782710457
BaseRepresentation
bin1100111101001011010…
…11100111111100111100
31120120001001112111222112
412132211223213330330
524243142243323324
6540300531433152
744106340453622
oct6364553477474
91516031474875
10445161307964
11161878a5350a
12723377557b8
1332c94aaa389
1417790021512
15b8a659bc0e
hex67a5ae7f3c

445161307964 has 48 divisors (see below), whose sum is σ = 827025165792. Its totient is φ = 208937981952.

The previous prime is 445161307939. The next prime is 445161307979. The reversal of 445161307964 is 469703161544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42565424 + ... + 42575880.

It is an arithmetic number, because the mean of its divisors is an integer number (17229690954).

Almost surely, 2445161307964 is an apocalyptic number.

It is an amenable number.

445161307964 is a deficient number, since it is larger than the sum of its proper divisors (381863857828).

445161307964 is a wasteful number, since it uses less digits than its factorization.

445161307964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12062 (or 12060 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 445161307964 in words is "four hundred forty-five billion, one hundred sixty-one million, three hundred seven thousand, nine hundred sixty-four".

Divisors: 1 2 4 17 34 68 757 827 1514 1654 3028 3308 10457 12869 14059 20914 25738 28118 41828 51476 56236 177769 355538 626039 711076 1252078 2504156 7915949 8647939 10642663 15831898 17295878 21285326 31663796 34591756 42570652 134571133 147014963 269142266 294029926 538284532 588059852 6546489823 13092979646 26185959292 111290326991 222580653982 445161307964