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30210111430 = 2510728233749
BaseRepresentation
bin11100001000101010…
…011011011111000110
32212222101122200001221
4130020222123133012
5443332242031210
621513415310554
72116430465422
oct341052333706
985871580057
1030210111430
11118a2902944
125a3137b45a
132b05a7c8a5
1416682ddb82
15bbc2ce1da
hex708a9b7c6

30210111430 has 16 divisors (see below), whose sum is σ = 54886410000. Its totient is φ = 11971109152.

The previous prime is 30210111427. The next prime is 30210111431. The reversal of 30210111430 is 3411101203.

It is a super-2 number, since 2×302101114302 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30210111431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14115805 + ... + 14117944.

It is an arithmetic number, because the mean of its divisors is an integer number (3430400625).

Almost surely, 230210111430 is an apocalyptic number.

30210111430 is a deficient number, since it is larger than the sum of its proper divisors (24676298570).

30210111430 is a wasteful number, since it uses less digits than its factorization.

30210111430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28233863.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30210111430 its reverse (3411101203), we get a palindrome (33621212633).

The spelling of 30210111430 in words is "thirty billion, two hundred ten million, one hundred eleven thousand, four hundred thirty".

Divisors: 1 2 5 10 107 214 535 1070 28233749 56467498 141168745 282337490 3021011143 6042022286 15105055715 30210111430