Search a number
-
+
10120231230 = 235615530181
BaseRepresentation
bin10010110110011011…
…00111100100111110
3222010022000000100220
421123031213210332
5131211234344410
64352115402210
7505534355214
oct113315474476
928108000326
1010120231230
11432367456a
121b652b3366
13c53895705
146c00dccb4
153e370c070
hex25b36793e

10120231230 has 32 divisors (see below), whose sum is σ = 24686732448. Its totient is φ = 2654486400.

The previous prime is 10120231217. The next prime is 10120231273. The reversal of 10120231230 is 3213202101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2763261 + ... + 2766920.

It is an arithmetic number, because the mean of its divisors is an integer number (771460389).

Almost surely, 210120231230 is an apocalyptic number.

10120231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10120231230 is an abundant number, since it is smaller than the sum of its proper divisors (14566501218).

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

10120231230 is a wasteful number, since it uses less digits than its factorization.

10120231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530252.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10120231230 its reverse (3213202101), we get a palindrome (13333433331).

The spelling of 10120231230 in words is "ten billion, one hundred twenty million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 61 122 183 305 366 610 915 1830 5530181 11060362 16590543 27650905 33181086 55301810 82952715 165905430 337341041 674682082 1012023123 1686705205 2024046246 3373410410 5060115615 10120231230