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10031230250 = 25340124921
BaseRepresentation
bin10010101011110100…
…00110110100101010
3221220002112021222022
421111322012310222
5131020443332000
64335220024442
7503404023146
oct112572066452
927802467868
1010031230250
114288405838
121b3b532122
13c3b303402
146b2372226
153da9cb585
hex255e86d2a

10031230250 has 16 divisors (see below), whose sum is σ = 18778463496. Its totient is φ = 4012492000.

The previous prime is 10031230213. The next prime is 10031230277. The reversal of 10031230250 is 5203213001.

10031230250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1294776289 + 8736453961 = 35983^2 + 93469^2 .

It is a Curzon number.

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, 20062211 + ... + 20062710.

Almost surely, 210031230250 is an apocalyptic number.

10031230250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10031230250 is a deficient number, since it is larger than the sum of its proper divisors (8747233246).

10031230250 is an equidigital number, since it uses as much as digits as its factorization.

10031230250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40124938 (or 40124928 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 10031230250 its reverse (5203213001), we get a palindrome (15234443251).

The spelling of 10031230250 in words is "ten billion, thirty-one million, two hundred thirty thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 40124921 80249842 200624605 401249210 1003123025 2006246050 5015615125 10031230250