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30412402402 = 2192269156589
BaseRepresentation
bin11100010100101110…
…000110111011100010
32220111111022010010011
4130110232012323202
5444241033334102
621545443155134
72124435104134
oct342456067342
986444263104
1030412402402
1111997010068
125a89075aaa
132b389598a5
14168711b054
15bcee3c2d7
hex714b86ee2

30412402402 has 24 divisors (see below), whose sum is σ = 48325239900. Its totient is φ = 14352229728.

The previous prime is 30412402357. The next prime is 30412402403. The reversal of 30412402402 is 20420421403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30362714001 + 49688401 = 174249^2 + 7049^2 .

It is a super-2 number, since 2×304124024022 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30412402403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115924 + ... + 272512.

Almost surely, 230412402402 is an apocalyptic number.

30412402402 is a deficient number, since it is larger than the sum of its proper divisors (17912837498).

30412402402 is a wasteful number, since it uses less digits than its factorization.

30412402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156898 (or 156879 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 30412402402 its reverse (20420421403), we get a palindrome (50832823805).

The spelling of 30412402402 in words is "thirty billion, four hundred twelve million, four hundred two thousand, four hundred two".

Divisors: 1 2 19 38 269 361 538 722 5111 10222 97109 156589 194218 313178 2975191 5950382 42122441 56528629 84244882 113057258 800326379 1600652758 15206201201 30412402402