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30142403434 = 21113195547001
BaseRepresentation
bin11100000100101000…
…001001001101101010
32212210200020202011101
4130010220021031222
5443212423402214
621503000152014
72114646126133
oct340450111552
985720222141
1030142403434
1111868667920
125a1276860a
132ac4a343a0
14165d316c8a
15bb63a7774
hex704a0936a

30142403434 has 32 divisors (see below), whose sum is σ = 55913780160. Its totient is φ = 11981520000.

The previous prime is 30142403413. The next prime is 30142403441. The reversal of 30142403434 is 43430424103.

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, 2768067 + ... + 2778934.

It is an arithmetic number, because the mean of its divisors is an integer number (1747305630).

Almost surely, 230142403434 is an apocalyptic number.

30142403434 is a deficient number, since it is larger than the sum of its proper divisors (25771376726).

30142403434 is a wasteful number, since it uses less digits than its factorization.

30142403434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547046.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 30142403434 its reverse (43430424103), we get a palindrome (73572827537).

The spelling of 30142403434 in words is "thirty billion, one hundred forty-two million, four hundred three thousand, four hundred thirty-four".

Divisors: 1 2 11 13 19 22 26 38 143 209 247 286 418 494 2717 5434 5547001 11094002 61017011 72111013 105393019 122034022 144222026 210786038 793221143 1159323209 1370109247 1586442286 2318646418 2740218494 15071201717 30142403434