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23031324402 = 2320441187787
BaseRepresentation
bin10101011100110001…
…100001111011110010
32012110002111111120220
4111130301201323302
5334132004340102
614325213113510
71443511012242
oct253461417362
965402444526
1023031324402
1198496449a9
124569188896
132230708c08
141186b23b22
158ebe4b1bc
hex55cc61ef2

23031324402 has 16 divisors (see below), whose sum is σ = 46065147552. Its totient is φ = 7676691680.

The previous prime is 23031324389. The next prime is 23031324457. The reversal of 23031324402 is 20442313032.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28753 + ... + 216539.

It is an arithmetic number, because the mean of its divisors is an integer number (2879071722).

Almost surely, 223031324402 is an apocalyptic number.

23031324402 is an abundant number, since it is smaller than the sum of its proper divisors (23033823150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23031324402 is a wasteful number, since it uses less digits than its factorization.

23031324402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208233.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23031324402 its reverse (20442313032), we get a palindrome (43473637434).

The spelling of 23031324402 in words is "twenty-three billion, thirty-one million, three hundred twenty-four thousand, four hundred two".

Divisors: 1 2 3 6 20441 40882 61323 122646 187787 375574 563361 1126722 3838554067 7677108134 11515662201 23031324402