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30142001144 = 239673896329
BaseRepresentation
bin11100000100100110…
…100110111111111000
32212210122111022022202
4130010212212333320
5443212323014034
621502543405332
72114642532233
oct340446467770
985718438282
1030142001144
1111868412652
125a125b3848
132ac4923248
14165d25041a
15bb632847e
hex7049a6ff8

30142001144 has 16 divisors (see below), whose sum is σ = 56574711600. Its totient is φ = 15055411392.

The previous prime is 30142001143. The next prime is 30142001177. The reversal of 30142001144 is 44110024103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142001143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940429 + ... + 1955900.

It is an arithmetic number, because the mean of its divisors is an integer number (3535919475).

Almost surely, 230142001144 is an apocalyptic number.

It is an amenable number.

30142001144 is a deficient number, since it is larger than the sum of its proper divisors (26432710456).

30142001144 is a wasteful number, since it uses less digits than its factorization.

30142001144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897302 (or 3897298 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 30142001144 its reverse (44110024103), we get a palindrome (74252025247).

The spelling of 30142001144 in words is "thirty billion, one hundred forty-two million, one thousand, one hundred forty-four".

Divisors: 1 2 4 8 967 1934 3868 7736 3896329 7792658 15585316 31170632 3767750143 7535500286 15071000572 30142001144