Search a number
-
+
231222301211130 = 23537963613197009
BaseRepresentation
bin110100100100101110100011…
…001000001011100111111010
31010022200122011201200211111120
4310210232203020023213322
5220301321233102224010
62135434020405410110
766463155113621235
oct6444564310134772
91108618151624446
10231222301211130
1167746911098499
1221b24520a09936
139c0322836ac38
14411530d28641c
151bae95182ee70
hexd24ba320b9fa

231222301211130 has 64 divisors (see below), whose sum is σ = 556485371683200. Its totient is φ = 61486903941120.

The previous prime is 231222301211119. The next prime is 231222301211149. The reversal of 231222301211130 is 31112103222132.

231222301211130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231222301211130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70726066 + ... + 73923074.

It is an arithmetic number, because the mean of its divisors is an integer number (8695083932550).

Almost surely, 2231222301211130 is an apocalyptic number.

231222301211130 is an abundant number, since it is smaller than the sum of its proper divisors (325263070472070).

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

231222301211130 is a wasteful number, since it uses less digits than its factorization.

231222301211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203759.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 231222301211130 its reverse (31112103222132), we get a palindrome (262334404433262).

The spelling of 231222301211130 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, three hundred one million, two hundred eleven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 379 758 1137 1895 2274 3790 5685 6361 11370 12722 19083 31805 38166 63610 95415 190830 2410819 3197009 4821638 6394018 7232457 9591027 12054095 14464914 15985045 19182054 24108190 31970090 36162285 47955135 72324570 95910270 1211666411 2423332822 3634999233 6058332055 7269998466 12116664110 18174996165 20336174249 36349992330 40672348498 61008522747 101680871245 122017045494 203361742490 305042613735 610085227470 7707410040371 15414820080742 23122230121113 38537050201855 46244460242226 77074100403710 115611150605565 231222301211130