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30432111320 = 2351358523291
BaseRepresentation
bin11100010101111001…
…010010101011011000
32220112212101102200002
4130111321102223120
5444311110030240
621551425432132
72125064451422
oct342571225330
986485342602
1030432111320
11119a7151726
125a9379b648
132b3ca6a680
1416899ab812
15bd1a31d15
hex715e52ad8

30432111320 has 32 divisors (see below), whose sum is σ = 73739347920. Its totient is φ = 11236471680.

The previous prime is 30432111293. The next prime is 30432111329. The reversal of 30432111320 is 2311123403.

It is a super-2 number, since 2×304321113202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30432111292 and 30432111301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30432111329) 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, 29261126 + ... + 29262165.

Almost surely, 230432111320 is an apocalyptic number.

It is an amenable number.

30432111320 is an abundant number, since it is smaller than the sum of its proper divisors (43307236600).

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

30432111320 is a wasteful number, since it uses less digits than its factorization.

30432111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58523315 (or 58523311 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30432111320 its reverse (2311123403), we get a palindrome (32743234723).

The spelling of 30432111320 in words is "thirty billion, four hundred thirty-two million, one hundred eleven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 58523291 117046582 234093164 292616455 468186328 585232910 760802783 1170465820 1521605566 2340931640 3043211132 3804013915 6086422264 7608027830 15216055660 30432111320