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130320313212 = 223591631129253
BaseRepresentation
bin111100101011110110…
…0100010101101111100
3110110101020122211202010
41321113230202231330
54113344000010322
6135511320331220
712262313246055
oct1712754425574
9413336584663
10130320313212
11502a54681a1
1221310013b10
13c39b36548b
146443c4972c
1535cb03620c
hex1e57b22b7c

130320313212 has 48 divisors (see below), whose sum is σ = 311132062080. Its totient is φ = 42441807168.

The previous prime is 130320313163. The next prime is 130320313223. The reversal of 130320313212 is 212313023031.

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, 449223 + ... + 680030.

It is an arithmetic number, because the mean of its divisors is an integer number (6481917960).

Almost surely, 2130320313212 is an apocalyptic number.

130320313212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130320313212 is an abundant number, since it is smaller than the sum of its proper divisors (180811748868).

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

130320313212 is a wasteful number, since it uses less digits than its factorization.

130320313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129482 (or 1129480 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 130320313212 its reverse (212313023031), we get a palindrome (342633336243).

The spelling of 130320313212 in words is "one hundred thirty billion, three hundred twenty million, three hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 59 118 163 177 236 326 354 489 652 708 978 1956 9617 19234 28851 38468 57702 115404 1129253 2258506 3387759 4517012 6775518 13551036 66625927 133251854 184068239 199877781 266503708 368136478 399755562 552204717 736272956 799511124 1104409434 2208818868 10860026101 21720052202 32580078303 43440104404 65160156606 130320313212