Search a number
-
+
10001231230 = 251000123123
BaseRepresentation
bin10010101000001111…
…01010110101111110
3221211000002012001111
421110013222311332
5130440303344410
64332225032234
7502561030354
oct112407526576
927730065044
1010001231230
114272486061
121b3148567a
13c3502ba03
146ac3a37d4
153d8052b8a
hex2541ead7e

10001231230 has 8 divisors (see below), whose sum is σ = 18002216232. Its totient is φ = 4000492488.

The previous prime is 10001231213. The next prime is 10001231231. The reversal of 10001231230 is 3213210001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×100012312302 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10001231230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001231231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500061552 + ... + 500061571.

It is an arithmetic number, because the mean of its divisors is an integer number (2250277029).

Almost surely, 210001231230 is an apocalyptic number.

10001231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001231230 is a deficient number, since it is larger than the sum of its proper divisors (8000985002).

10001231230 is a wasteful number, since it uses less digits than its factorization.

10001231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000123130.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10001231230 its reverse (3213210001), we get a palindrome (13214441231).

The spelling of 10001231230 in words is "ten billion, one million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 1000123123 2000246246 5000615615 10001231230