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23231431012 = 2229597974259
BaseRepresentation
bin10101101000101100…
…111000000101100100
32012222001000222020211
4111220230320011210
5340034221243022
614401122105204
71451460622366
oct255054700544
965861028224
1023231431012
11994159aa69
1246041ab204
132262ccc8aa
1411a5532d36
1590e7c6e77
hex568b38164

23231431012 has 48 divisors (see below), whose sum is σ = 42833448000. Its totient is φ = 11008667264.

The previous prime is 23231431007. The next prime is 23231431019. The reversal of 23231431012 is 21013413232.

It is not an unprimeable number, because it can be changed into a prime (23231431019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5452539 + ... + 5456797.

It is an arithmetic number, because the mean of its divisors is an integer number (892363500).

Almost surely, 223231431012 is an apocalyptic number.

It is an amenable number.

23231431012 is a deficient number, since it is larger than the sum of its proper divisors (19602016988).

23231431012 is a wasteful number, since it uses less digits than its factorization.

23231431012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5148 (or 5146 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23231431012 its reverse (21013413232), we get a palindrome (44244844244).

The spelling of 23231431012 in words is "twenty-three billion, two hundred thirty-one million, four hundred thirty-one thousand, twelve".

Divisors: 1 2 4 29 58 59 116 118 236 797 1594 1711 3188 3422 4259 6844 8518 17036 23113 46226 47023 92452 94046 123511 188092 247022 251281 494044 502562 1005124 1363667 2727334 3394423 5454668 6788846 7287149 13577692 14574298 29148596 98438267 196876534 200270957 393753068 400541914 801083828 5807857753 11615715506 23231431012