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30424221320 = 2352926227777
BaseRepresentation
bin11100010101011011…
…001100011010001000
32220112022112120121212
4130111123030122020
5444302100040240
621550544352252
72124640420463
oct342533143210
986468476555
1030424221320
11119a2752869
125a91015688
132b3b23732c
1416889162da
15bd0ec4165
hex7156cc688

30424221320 has 32 divisors (see below), whose sum is σ = 70815000600. Its totient is φ = 11750043648.

The previous prime is 30424221307. The next prime is 30424221329. The reversal of 30424221320 is 2312242403.

It can be written as a sum of positive squares in 4 ways, for example, as 30276696004 + 147525316 = 174002^2 + 12146^2 .

It is not an unprimeable number, because it can be changed into a prime (30424221329) 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, 13112729 + ... + 13115048.

Almost surely, 230424221320 is an apocalyptic number.

It is an amenable number.

30424221320 is an abundant number, since it is smaller than the sum of its proper divisors (40390779280).

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

30424221320 is a wasteful number, since it uses less digits than its factorization.

30424221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26227817 (or 26227813 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30424221320 its reverse (2312242403), we get a palindrome (32736463723).

The spelling of 30424221320 in words is "thirty billion, four hundred twenty-four million, two hundred twenty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 26227777 52455554 104911108 131138885 209822216 262277770 524555540 760605533 1049111080 1521211066 3042422132 3803027665 6084844264 7606055330 15212110660 30424221320