Search a number
-
+
231230132202 = 231924112232129
BaseRepresentation
bin1101011101011001100…
…0111100111111101010
3211002211211021210000110
43113112120330333222
512242024403212302
6254120424115150
722464045460056
oct3272630747752
9732754253013
10231230132202
118a078421813
1238992605ab6
1318a604c8944
14b297a60c66
15603508bb6c
hex35d663cfea

231230132202 has 96 divisors (see below), whose sum is σ = 500629610880. Its totient is φ = 71147381760.

The previous prime is 231230132171. The next prime is 231230132249. The reversal of 231230132202 is 202231032132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108608674 + ... + 108610802.

It is an arithmetic number, because the mean of its divisors is an integer number (5214891780).

Almost surely, 2231230132202 is an apocalyptic number.

231230132202 is an abundant number, since it is smaller than the sum of its proper divisors (269399478678).

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

231230132202 is a wasteful number, since it uses less digits than its factorization.

231230132202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436 (or 3417 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231230132202 its reverse (202231032132), we get a palindrome (433461164334).

The spelling of 231230132202 in words is "two hundred thirty-one billion, two hundred thirty million, one hundred thirty-two thousand, two hundred two".

Divisors: 1 2 3 6 19 38 41 57 82 114 123 246 361 722 779 1083 1223 1558 2129 2166 2337 2446 3669 4258 4674 6387 7338 12774 14801 23237 29602 40451 44403 46474 50143 69711 80902 87289 88806 100286 121353 139422 150429 174578 242706 261867 300858 441503 523734 768569 883006 952717 1324509 1537138 1658491 1905434 2305707 2603767 2649018 2858151 3316982 4611414 4975473 5207534 5716302 7811301 9950946 15622602 18101623 31511329 36203246 49471573 54304869 63022658 94533987 98943146 106754447 108609738 148414719 189067974 213508894 296829438 320263341 640526682 939959887 1879919774 2028334493 2819879661 4056668986 5639759322 6085003479 12170006958 38538355367 77076710734 115615066101 231230132202