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233013542531 = 7211432307129
BaseRepresentation
bin1101100100000010110…
…0000111111010000011
3211021110010002102001212
43121000230013322003
512304202431330111
6255013412520335
722556202301100
oct3310054077203
9737403072055
10233013542531
118a903085350
12391ab9200ab
1318c85b2a923
14b3c6859aa7
1560db91998b
hex3640b07e83

233013542531 has 12 divisors (see below), whose sum is σ = 295698076920. Its totient is φ = 181568993760.

The previous prime is 233013542467. The next prime is 233013542533. The reversal of 233013542531 is 135245310332.

It is not a de Polignac number, because 233013542531 - 26 = 233013542467 is a prime.

It is a super-2 number, since 2×2330135425312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233013542533) 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 11 ways as a sum of consecutive naturals, for example, 216153026 + ... + 216154103.

It is an arithmetic number, because the mean of its divisors is an integer number (24641506410).

Almost surely, 2233013542531 is an apocalyptic number.

233013542531 is a deficient number, since it is larger than the sum of its proper divisors (62684534389).

233013542531 is a wasteful number, since it uses less digits than its factorization.

233013542531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432307154 (or 432307147 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 233013542531 its reverse (135245310332), we get a palindrome (368258852863).

The spelling of 233013542531 in words is "two hundred thirty-three billion, thirteen million, five hundred forty-two thousand, five hundred thirty-one".

Divisors: 1 7 11 49 77 539 432307129 3026149903 4755378419 21183049321 33287648933 233013542531