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10231230195 = 3253715493967
BaseRepresentation
bin10011000011101010…
…00010111011110011
3222102000212100022200
421201311002323303
5131423143331240
64411122434243
7511353010314
oct114165027363
928360770280
1010231230195
11438029874a
121b96502983
13c7088a684
146d0b5460b
153ed335930
hex261d42ef3

10231230195 has 48 divisors (see below), whose sum is σ = 18229785600. Its totient is φ = 5304413952.

The previous prime is 10231230193. The next prime is 10231230199. The reversal of 10231230195 is 59103213201.

10231230195 is a `hidden beast` number, since 10 + 231 + 230 + 195 = 666.

It is not a de Polignac number, because 10231230195 - 21 = 10231230193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10231230193) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2577102 + ... + 2581068.

It is an arithmetic number, because the mean of its divisors is an integer number (379787200).

Almost surely, 210231230195 is an apocalyptic number.

10231230195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10231230195 is a deficient number, since it is larger than the sum of its proper divisors (7998555405).

10231230195 is a wasteful number, since it uses less digits than its factorization.

10231230195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564 (or 5561 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

Adding to 10231230195 its reverse (59103213201), we get a palindrome (69334443396).

The spelling of 10231230195 in words is "ten billion, two hundred thirty-one million, two hundred thirty thousand, one hundred ninety-five".

Divisors: 1 3 5 9 15 37 45 111 185 333 555 1549 1665 3967 4647 7745 11901 13941 19835 23235 35703 57313 59505 69705 146779 171939 178515 286565 440337 515817 733895 859695 1321011 2201685 2579085 6144883 6605055 18434649 30724415 55303947 92173245 227360671 276519735 682082013 1136803355 2046246039 3410410065 10231230195