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13201402021 = 531976072083
BaseRepresentation
bin11000100101101110…
…10110100010100101
31021002000202201002121
430102313112202211
5204014024331041
610021543505541
7645100031353
oct142267264245
937060681077
1013201402021
115664935805
1226851582b1
13132502a1b2
148d33d47d3
15523e867d1
hex312dd68a5

13201402021 has 16 divisors (see below), whose sum is σ = 13547533824. Its totient is φ = 12859164864.

The previous prime is 13201402009. The next prime is 13201402033. The reversal of 13201402021 is 12020410231.

13201402021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13201402009) and next prime (13201402033).

It is a cyclic number.

It is not a de Polignac number, because 13201402021 - 27 = 13201401893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13201401986 and 13201402004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201402061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6336646 + ... + 6338728.

It is an arithmetic number, because the mean of its divisors is an integer number (846720864).

Almost surely, 213201402021 is an apocalyptic number.

It is an amenable number.

13201402021 is a deficient number, since it is larger than the sum of its proper divisors (346131803).

13201402021 is a wasteful number, since it uses less digits than its factorization.

13201402021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13201402021 its reverse (12020410231), we get a palindrome (25221812252).

The spelling of 13201402021 in words is "thirteen billion, two hundred one million, four hundred two thousand, twenty-one".

Divisors: 1 53 197 607 2083 10441 32171 110399 119579 410351 1264381 6337687 21748603 67012193 249083057 13201402021