Search a number
-
+
30098712260 = 2253134808101
BaseRepresentation
bin11100000010000001…
…011110011011000100
32212200122001000010202
4130002001132123010
5443120232243020
621454355510032
72113605555461
oct340201363304
985618030122
1030098712260
1111845a36011
1259bbbb8318
132ab8977716
1416575c2668
15bb2626e75
hex70205e6c4

30098712260 has 24 divisors (see below), whose sum is σ = 63409249176. Its totient is φ = 12001017600.

The previous prime is 30098712229. The next prime is 30098712277. The reversal of 30098712260 is 6221789003.

It can be written as a sum of positive squares in 4 ways, for example, as 5079697984 + 25019014276 = 71272^2 + 158174^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 2397791 + ... + 2410310.

It is an arithmetic number, because the mean of its divisors is an integer number (2642052049).

Almost surely, 230098712260 is an apocalyptic number.

It is an amenable number.

30098712260 is an abundant number, since it is smaller than the sum of its proper divisors (33310536916).

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

30098712260 is a wasteful number, since it uses less digits than its factorization.

30098712260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808423 (or 4808421 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 30098712260 in words is "thirty billion, ninety-eight million, seven hundred twelve thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 313 626 1252 1565 3130 6260 4808101 9616202 19232404 24040505 48081010 96162020 1504935613 3009871226 6019742452 7524678065 15049356130 30098712260