Search a number
-
+
6155424661 = 19615310979
BaseRepresentation
bin1011011101110010…
…00101001110010101
3120212222111222020011
411232321011032111
5100101242042121
62454444040221
7305352150331
oct55671051625
916788458204
106155424661
112679638721
121239533071
13771346b19
1442570a7c1
152605d97e1
hex16ee45395

6155424661 has 8 divisors (see below), whose sum is σ = 6585615200. Its totient is φ = 5735856240.

The previous prime is 6155424643. The next prime is 6155424677. The reversal of 6155424661 is 1664245516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6155424661 - 217 = 6155293589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6155424061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654331 + ... + 2656648.

It is an arithmetic number, because the mean of its divisors is an integer number (823201900).

Almost surely, 26155424661 is an apocalyptic number.

6155424661 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6155424661 is a deficient number, since it is larger than the sum of its proper divisors (430190539).

6155424661 is a wasteful number, since it uses less digits than its factorization.

6155424661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311059.

The product of its digits is 172800, while the sum is 40.

The square root of 6155424661 is about 78456.5144586477. The cubic root of 6155424661 is about 1832.6773257971.

The spelling of 6155424661 in words is "six billion, one hundred fifty-five million, four hundred twenty-four thousand, six hundred sixty-one".

Divisors: 1 19 61 1159 5310979 100908601 323969719 6155424661