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30432033020 = 2251521601651
BaseRepresentation
bin11100010101111000…
…111111100011111100
32220112212020110021002
4130111320333203330
5444311100024040
621551424025432
72125064004224
oct342570774374
986485213232
1030432033020
11119a70a8914
125a93762278
132b3ca40b3c
14168998b084
15bd1a18a15
hex715e3f8fc

30432033020 has 12 divisors (see below), whose sum is σ = 63907269384. Its totient is φ = 12172813200.

The previous prime is 30432033017. The next prime is 30432033053. The reversal of 30432033020 is 2033023403.

It is a super-2 number, since 2×304320330202 (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), and also a Moran number because the ratio is a prime number: 1521601651 = 30432033020 / (3 + 0 + 4 + 3 + 2 + 0 + 3 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 30432032983 and 30432033001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760800806 + ... + 760800845.

It is an arithmetic number, because the mean of its divisors is an integer number (5325605782).

Almost surely, 230432033020 is an apocalyptic number.

It is an amenable number.

30432033020 is an abundant number, since it is smaller than the sum of its proper divisors (33475236364).

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

30432033020 is a wasteful number, since it uses less digits than its factorization.

30432033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521601660 (or 1521601658 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 30432033020 its reverse (2033023403), we get a palindrome (32465056423).

The spelling of 30432033020 in words is "thirty billion, four hundred thirty-two million, thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 1521601651 3043203302 6086406604 7608008255 15216016510 30432033020