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30432132012 = 2239072796043
BaseRepresentation
bin11100010101111001…
…010111101110101100
32220112212102111001110
4130111321113232230
5444311111211022
621551430112020
72125064565642
oct342571275654
986485374043
1030432132012
11119a7166227
125a937ab610
132b3ca76c09
1416899b5192
15bd1a3800c
hex715e57bac

30432132012 has 24 divisors (see below), whose sum is σ = 71086622656. Its totient is φ = 10132856208.

The previous prime is 30432132001. The next prime is 30432132023. The reversal of 30432132012 is 21023123403.

It is an interprime number because it is at equal distance from previous prime (30432132001) and next prime (30432132023).

It is a super-2 number, since 2×304321320122 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30432132012.

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, 1387138 + ... + 1408905.

Almost surely, 230432132012 is an apocalyptic number.

It is an amenable number.

30432132012 is an abundant number, since it is smaller than the sum of its proper divisors (40654490644).

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

30432132012 is a wasteful number, since it uses less digits than its factorization.

30432132012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796957 (or 2796955 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30432132012 its reverse (21023123403), we get a palindrome (51455255415).

The spelling of 30432132012 in words is "thirty billion, four hundred thirty-two million, one hundred thirty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 907 1814 2721 3628 5442 10884 2796043 5592086 8388129 11184172 16776258 33552516 2536011001 5072022002 7608033003 10144044004 15216066006 30432132012