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30432246442 = 2131496978193
BaseRepresentation
bin11100010101111001…
…110011101010101010
32220112212122022000121
4130111321303222222
5444311123341232
621551432353454
72125065553363
oct342571635252
986485568017
1030432246442
11119a72341a4
125a9384588a
132b3cab7020
141689a04b6a
15bd1a5bd97
hex715e73aaa

30432246442 has 16 divisors (see below), whose sum is σ = 49163695560. Its totient is φ = 14044534272.

The previous prime is 30432246413. The next prime is 30432246451. The reversal of 30432246442 is 24464223403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2053811761 + 28378434681 = 45319^2 + 168459^2 .

It is a super-2 number, since 2×304322464422 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30432246398 and 30432246407.

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, 350098 + ... + 428290.

Almost surely, 230432246442 is an apocalyptic number.

30432246442 is a deficient number, since it is larger than the sum of its proper divisors (18731449118).

30432246442 is a wasteful number, since it uses less digits than its factorization.

30432246442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93177.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 30432246442 its reverse (24464223403), we get a palindrome (54896469845).

The spelling of 30432246442 in words is "thirty billion, four hundred thirty-two million, two hundred forty-six thousand, four hundred forty-two".

Divisors: 1 2 13 26 14969 29938 78193 156386 194597 389194 1016509 2033018 1170471017 2340942034 15216123221 30432246442