Search a number
-
+
27742230372 = 22319922713187
BaseRepresentation
bin11001110101100100…
…001101011101100100
32122121101220022200210
4121311210031131210
5423304002332442
620424500135420
72001323032053
oct316544153544
978541808623
1027742230372
111084684731a
125462997570
1328016b7a3c
1414b265039a
15ac57ea19c
hex67590d764

27742230372 has 48 divisors (see below), whose sum is σ = 68151363840. Its totient is φ = 8759090592.

The previous prime is 27742230361. The next prime is 27742230389. The reversal of 27742230372 is 27303224772.

It is a self number, because there is not a number n which added to its sum of digits gives 27742230372.

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, 2097163 + ... + 2110349.

It is an arithmetic number, because the mean of its divisors is an integer number (1419820080).

Almost surely, 227742230372 is an apocalyptic number.

It is an amenable number.

27742230372 is an abundant number, since it is smaller than the sum of its proper divisors (40409133468).

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

27742230372 is a wasteful number, since it uses less digits than its factorization.

27742230372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22440 (or 22438 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 39.

The spelling of 27742230372 in words is "twenty-seven billion, seven hundred forty-two million, two hundred thirty thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 9227 13187 18454 26374 27681 36908 39561 52748 55362 79122 110724 158244 175313 250553 350626 501106 525939 701252 751659 1002212 1051878 1503318 2103756 3006636 121676449 243352898 365029347 486705796 730058694 1460117388 2311852531 4623705062 6935557593 9247410124 13871115186 27742230372