Search a number
-
+
130331212122 = 235310327114683
BaseRepresentation
bin111100101100001011…
…0000111100101011010
3110110102000011120020110
41321120112013211122
54113404242241442
6135512350105150
712262505011236
oct1713026074532
9413360146213
10130331212122
1150300631761
12213137ab1b6
13c3a06b0237
1464454855c6
1535cbe8a69c
hex1e5858795a

130331212122 has 64 divisors (see below), whose sum is σ = 269166882816. Its totient is φ = 42051597120.

The previous prime is 130331212087. The next prime is 130331212127. The reversal of 130331212122 is 221212133031.

It is not an unprimeable number, because it can be changed into a prime (130331212127) 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 31 ways as a sum of consecutive naturals, for example, 8868993 + ... + 8883675.

It is an arithmetic number, because the mean of its divisors is an integer number (4205732544).

Almost surely, 2130331212122 is an apocalyptic number.

130331212122 is an abundant number, since it is smaller than the sum of its proper divisors (138835670694).

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

130331212122 is a wasteful number, since it uses less digits than its factorization.

130331212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15115.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 130331212122 its reverse (221212133031), we get a palindrome (351543345153).

The spelling of 130331212122 in words is "one hundred thirty billion, three hundred thirty-one million, two hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 53 103 106 159 206 271 309 318 542 618 813 1626 5459 10918 14363 14683 16377 27913 28726 29366 32754 43089 44049 55826 83739 86178 88098 167478 778199 1479389 1512349 1556398 2334597 2958778 3024698 3979093 4438167 4537047 4669194 7958186 8876334 9074094 11937279 23874558 80154497 160308994 210891929 240463491 409846579 421783858 480926982 632675787 819693158 1229539737 1265351574 2459079474 21721868687 43443737374 65165606061 130331212122