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213432023441 = 7139112574541
BaseRepresentation
bin1100011011000110001…
…0100011100110010001
3202101220110000011201002
43012301202203212101
511444102044222231
6242014352551345
721264021160130
oct3066142434621
9671813004632
10213432023441
11825748a421a
1235445b52555
1317185065440
14a489d89917
1558427b30cb
hex31b18a3991

213432023441 has 16 divisors (see below), whose sum is σ = 262974018048. Its totient is φ = 168683860800.

The previous prime is 213432023381. The next prime is 213432023443. The reversal of 213432023441 is 144320234312.

It is not a de Polignac number, because 213432023441 - 210 = 213432022417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213432023443) 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, 1204370 + ... + 1370171.

It is an arithmetic number, because the mean of its divisors is an integer number (16435876128).

Almost surely, 2213432023441 is an apocalyptic number.

It is an amenable number.

213432023441 is a deficient number, since it is larger than the sum of its proper divisors (49541994607).

213432023441 is a wasteful number, since it uses less digits than its factorization.

213432023441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575472.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 213432023441 its reverse (144320234312), we get a palindrome (357752257753).

The spelling of 213432023441 in words is "two hundred thirteen billion, four hundred thirty-two million, twenty-three thousand, four hundred forty-one".

Divisors: 1 7 13 91 911 6377 11843 82901 2574541 18021787 33469033 234283231 2345406851 16417847957 30490289063 213432023441