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10001223230 = 251952638017
BaseRepresentation
bin10010101000001111…
…01000111000111110
3221211000001210002012
421110013220320332
5130440303120410
64332224531222
7502560665135
oct112407507076
927730053065
1010001223230
114272480049
121b31480b12
13c3502818b
146ac3a091c
153d8050605
hex2541e8e3e

10001223230 has 16 divisors (see below), whose sum is σ = 18949686480. Its totient is φ = 3789937152.

The previous prime is 10001223227. The next prime is 10001223251. The reversal of 10001223230 is 3232210001.

It is a happy number.

10001223230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 26318819 + ... + 26319198.

It is an arithmetic number, because the mean of its divisors is an integer number (1184355405).

Almost surely, 210001223230 is an apocalyptic number.

10001223230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001223230 is a deficient number, since it is larger than the sum of its proper divisors (8948463250).

10001223230 is a wasteful number, since it uses less digits than its factorization.

10001223230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52638043.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10001223230 its reverse (3232210001), we get a palindrome (13233433231).

The spelling of 10001223230 in words is "ten billion, one million, two hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 52638017 105276034 263190085 526380170 1000122323 2000244646 5000611615 10001223230