Search a number
-
+
55510615460 = 22519236351329
BaseRepresentation
bin110011101100101100…
…001100010110100100
312022021122000102220202
4303230230030112210
51402141204143320
641300133050032
74003414306016
oct635454142644
9168248012822
1055510615460
11215a6328003
12a912486918
13530862c431
14298854c1b6
15169d55eb75
hexcecb0c5a4

55510615460 has 48 divisors (see below), whose sum is σ = 128042812800. Its totient is φ = 20121007104.

The previous prime is 55510615453. The next prime is 55510615481. The reversal of 55510615460 is 6451601555.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3166925 + ... + 3184404.

It is an arithmetic number, because the mean of its divisors is an integer number (2667558600).

Almost surely, 255510615460 is an apocalyptic number.

It is an amenable number.

55510615460 is an abundant number, since it is smaller than the sum of its proper divisors (72532197340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55510615460 is a wasteful number, since it uses less digits than its factorization.

55510615460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6351380 (or 6351378 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 55510615460 in words is "fifty-five billion, five hundred ten million, six hundred fifteen thousand, four hundred sixty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 190 230 380 437 460 874 1748 2185 4370 8740 6351329 12702658 25405316 31756645 63513290 120675251 127026580 146080567 241350502 292161134 482701004 584322268 603376255 730402835 1206752510 1460805670 2413505020 2775530773 2921611340 5551061546 11102123092 13877653865 27755307730 55510615460