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30000431032 = 23111326224153
BaseRepresentation
bin11011111100001010…
…100011111110111000
32212102210002210122021
4123330022203332320
5442420102243112
621440525204224
72111303312335
oct337412437670
985383083567
1030000431032
11117a5508960
125993100674
132aa14b6350
14164851b98c
15ba8bb1907
hex6fc2a3fb8

30000431032 has 32 divisors (see below), whose sum is σ = 66084868080. Its totient is φ = 12587592960.

The previous prime is 30000431011. The next prime is 30000431053. The reversal of 30000431032 is 23013400003.

It is an interprime number because it is at equal distance from previous prime (30000431011) and next prime (30000431053).

It is a junction number, because it is equal to n+sod(n) for n = 30000430997 and 30000431015.

It is a congruent number.

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, 13110933 + ... + 13113220.

Almost surely, 230000431032 is an apocalyptic number.

It is an amenable number.

30000431032 is an abundant number, since it is smaller than the sum of its proper divisors (36084437048).

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

30000431032 is a wasteful number, since it uses less digits than its factorization.

30000431032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26224183 (or 26224179 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30000431032 its reverse (23013400003), we get a palindrome (53013831035).

The spelling of 30000431032 in words is "thirty billion, four hundred thirty-one thousand, thirty-two".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 286 572 1144 26224153 52448306 104896612 209793224 288465683 340913989 576931366 681827978 1153862732 1363655956 2307725464 2727311912 3750053879 7500107758 15000215516 30000431032