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23454403442 = 253832665879
BaseRepresentation
bin10101110101111111…
…011100101101110010
32020112120121010220222
4111311333130231302
5341013311402232
614435205133042
71460136065651
oct256577345562
966476533828
1023454403442
119a464434a8
1246669ba182
13229a26b242
1411c6db5198
1592416cd12
hex575fdcb72

23454403442 has 16 divisors (see below), whose sum is σ = 36277295040. Its totient is φ = 11367303792.

The previous prime is 23454403421. The next prime is 23454403459. The reversal of 23454403442 is 24430445432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1324142 + ... + 1341737.

It is an arithmetic number, because the mean of its divisors is an integer number (2267330940).

Almost surely, 223454403442 is an apocalyptic number.

23454403442 is a deficient number, since it is larger than the sum of its proper divisors (12822891598).

23454403442 is a wasteful number, since it uses less digits than its factorization.

23454403442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666017.

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 23454403442 its reverse (24430445432), we get a palindrome (47884848874).

The spelling of 23454403442 in words is "twenty-three billion, four hundred fifty-four million, four hundred three thousand, four hundred forty-two".

Divisors: 1 2 53 83 106 166 4399 8798 2665879 5331758 141291587 221267957 282583174 442535914 11727201721 23454403442