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1330136121 = 31933177247
BaseRepresentation
bin100111101001000…
…0100010000111001
310102200212220201210
41033102010100321
510211003323441
6335553233333
744650653606
oct11722042071
93380786653
101330136121
11622910a56
12311562849
13182759bc2
14c89276ad
157bb94616
hex4f484439

1330136121 has 16 divisors (see below), whose sum is σ = 1788574464. Its totient is φ = 879258624.

The previous prime is 1330136113. The next prime is 1330136131. The reversal of 1330136121 is 1216310331.

It is not a de Polignac number, because 1330136121 - 23 = 1330136113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330136131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179920 + ... + 187166.

It is an arithmetic number, because the mean of its divisors is an integer number (111785904).

Almost surely, 21330136121 is an apocalyptic number.

It is an amenable number.

1330136121 is a deficient number, since it is larger than the sum of its proper divisors (458438343).

1330136121 is a wasteful number, since it uses less digits than its factorization.

1330136121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7760.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1330136121 is about 36471.0312576982. The cubic root of 1330136121 is about 1099.7619652986.

Adding to 1330136121 its reverse (1216310331), we get a palindrome (2546446452).

The spelling of 1330136121 in words is "one billion, three hundred thirty million, one hundred thirty-six thousand, one hundred twenty-one".

Divisors: 1 3 193 317 579 951 7247 21741 61181 183543 1398671 2297299 4196013 6891897 443378707 1330136121