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30442402210 = 2511523529157
BaseRepresentation
bin11100010110100000…
…100011000110100010
32220120120202021010011
4130112200203012202
5444321223332320
621552434155134
72125251102133
oct342640430642
986516667104
1030442402210
1111a01a403a0
125a97122aaa
132b41c3175c
14168b0c9c8a
15bd28b605a
hex7168231a2

30442402210 has 32 divisors (see below), whose sum is σ = 59892219072. Its totient is φ = 11048777280.

The previous prime is 30442402189. The next prime is 30442402253. The reversal of 30442402210 is 1220424403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207049 + ... + 322108.

It is an arithmetic number, because the mean of its divisors is an integer number (1871631846).

Almost surely, 230442402210 is an apocalyptic number.

30442402210 is a deficient number, since it is larger than the sum of its proper divisors (29449816862).

30442402210 is a wasteful number, since it uses less digits than its factorization.

30442402210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529698.

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

Adding to 30442402210 its reverse (1220424403), we get a palindrome (31662826613).

The spelling of 30442402210 in words is "thirty billion, four hundred forty-two million, four hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 523 1046 2615 5230 5753 11506 28765 57530 529157 1058314 2645785 5291570 5820727 11641454 29103635 58207270 276749111 553498222 1383745555 2767491110 3044240221 6088480442 15221201105 30442402210