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23923950290 = 2517313828873
BaseRepresentation
bin10110010001111110…
…101000001011010010
32021202022010121002222
4112101332220023102
5342444012402130
614553541141042
71504600136132
oct262176501322
967668117088
1023923950290
11a16749aa49
1247780ba782
132343620006
14122d4c0ac2
159504bcce5
hex591fa82d2

23923950290 has 16 divisors (see below), whose sum is σ = 43312033368. Its totient is φ = 9514263936.

The previous prime is 23923950283. The next prime is 23923950343. The reversal of 23923950290 is 9205932932.

It can be written as a sum of positive squares in 4 ways, for example, as 23884775209 + 39175081 = 154547^2 + 6259^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6912707 + ... + 6916166.

Almost surely, 223923950290 is an apocalyptic number.

23923950290 is a deficient number, since it is larger than the sum of its proper divisors (19388083078).

23923950290 is a wasteful number, since it uses less digits than its factorization.

23923950290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13829053.

The product of its (nonzero) digits is 262440, while the sum is 44.

The spelling of 23923950290 in words is "twenty-three billion, nine hundred twenty-three million, nine hundred fifty thousand, two hundred ninety".

Divisors: 1 2 5 10 173 346 865 1730 13828873 27657746 69144365 138288730 2392395029 4784790058 11961975145 23923950290