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30140013142 = 22329157143909
BaseRepresentation
bin11100000100011111…
…000001101001010110
32212210111202022022001
4130010133001221112
5443211320410032
621502433025514
72114616612301
oct340437015126
985714668261
1030140013142
1111867284a78
125a119b529a
132ac43a8405
14165cc93b38
15bb60843e7
hex7047c1a56

30140013142 has 32 divisors (see below), whose sum is σ = 49113604800. Its totient is φ = 13828983168.

The previous prime is 30140013107. The next prime is 30140013143. The reversal of 30140013142 is 24131004103.

30140013142 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140013143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137484 + ... + 281392.

It is an arithmetic number, because the mean of its divisors is an integer number (1534800150).

Almost surely, 230140013142 is an apocalyptic number.

30140013142 is a deficient number, since it is larger than the sum of its proper divisors (18973591658).

30140013142 is a wasteful number, since it uses less digits than its factorization.

30140013142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144120.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30140013142 its reverse (24131004103), we get a palindrome (54271017245).

The spelling of 30140013142 in words is "thirty billion, one hundred forty million, thirteen thousand, one hundred forty-two".

Divisors: 1 2 23 29 46 58 157 314 667 1334 3611 4553 7222 9106 104719 143909 209438 287818 3309907 4173361 6619814 8346722 22593713 45187426 95987303 191974606 519655399 655217677 1039310798 1310435354 15070006571 30140013142