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30213452332 = 2272443347969
BaseRepresentation
bin11100001000110111…
…001011001000101100
32212222121221101221001
4130020313023020230
5443334120433312
621514015050044
72116501051600
oct341067131054
985877841831
1030213452332
11118a4784a18
125a32510924
132b0667c45b
14166892d500
15bbc73e057
hex708dcb22c

30213452332 has 36 divisors (see below), whose sum is σ = 61644973320. Its totient is φ = 12919355904.

The previous prime is 30213452299. The next prime is 30213452363. The reversal of 30213452332 is 23325431203.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 30213452332.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87157 + ... + 260812.

It is an arithmetic number, because the mean of its divisors is an integer number (1712360370).

Almost surely, 230213452332 is an apocalyptic number.

It is an amenable number.

30213452332 is an abundant number, since it is smaller than the sum of its proper divisors (31431520988).

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

30213452332 is a wasteful number, since it uses less digits than its factorization.

30213452332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348430 (or 348421 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 30213452332 its reverse (23325431203), we get a palindrome (53538883535).

The spelling of 30213452332 in words is "thirty billion, two hundred thirteen million, four hundred fifty-two thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 196 443 886 1772 3101 6202 12404 21707 43414 86828 347969 695938 1391876 2435783 4871566 9743132 17050481 34100962 68201924 154150267 308300534 616601068 1079051869 2158103738 4316207476 7553363083 15106726166 30213452332