Search a number
-
+
231103230122320 = 2456699234312123
BaseRepresentation
bin110100100010111111101001…
…111100000001100101010000
31010022021020211110102210121021
4310202333221330001211100
5220242343403402403240
62135303205215005224
766451441324226563
oct6442775174014520
91108236743383537
10231103230122320
1167700369612076
1221b05430209814
139bc4c3076077a
14410d6554644da
151bab7d31b754a
hexd22fe9f01950

231103230122320 has 40 divisors (see below), whose sum is σ = 537315936695136. Its totient is φ = 92441132623488.

The previous prime is 231103230122159. The next prime is 231103230122321. The reversal of 231103230122320 is 23221032301132.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231103230122321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51437779 + ... + 55749901.

Almost surely, 2231103230122320 is an apocalyptic number.

231103230122320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231103230122320 is an abundant number, since it is smaller than the sum of its proper divisors (306212706572816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231103230122320 is a wasteful number, since it uses less digits than its factorization.

231103230122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982059 (or 4982053 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231103230122320 its reverse (23221032301132), we get a palindrome (254324262423452).

The spelling of 231103230122320 in words is "two hundred thirty-one trillion, one hundred three billion, two hundred thirty million, one hundred twenty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 669923 1339846 2679692 3349615 4312123 5359384 6699230 8624246 10718768 13398460 17248492 21560615 26796920 34496984 43121230 53593840 68993968 86242460 172484920 344969840 2888790376529 5777580753058 11555161506116 14443951882645 23110323012232 28887903765290 46220646024464 57775807530580 115551615061160 231103230122320