Search a number
-
+
331213330023212 = 227136114916831653
BaseRepresentation
bin100101101001111001001110…
…0111000011000001100101100
31121102201200111110010210112002
41023103302130320120030230
5321403044344441220322
63132233145300431432
7126523242040202630
oct11323623470301454
91542650443123462
10331213330023212
119659786a0a237a
12311934420a8578
13112a738a9b0c60
145bb0b4c822dc0
152845943714c92
hex12d3c9ce1832c

331213330023212 has 48 divisors (see below), whose sum is σ = 725077353037632. Its totient is φ = 128881425473280.

The previous prime is 331213330023137. The next prime is 331213330023371. The reversal of 331213330023212 is 212320033312133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7458393623 + ... + 7458438030.

It is an arithmetic number, because the mean of its divisors is an integer number (15105778188284).

Almost surely, 2331213330023212 is an apocalyptic number.

It is an amenable number.

331213330023212 is an abundant number, since it is smaller than the sum of its proper divisors (393864023014420).

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

331213330023212 is a wasteful number, since it uses less digits than its factorization.

331213330023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14916831738 (or 14916831736 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 331213330023212 its reverse (212320033312133), we get a palindrome (543533363335345).

The spelling of 331213330023212 in words is "three hundred thirty-one trillion, two hundred thirteen billion, three hundred thirty million, twenty-three thousand, two hundred twelve".

Divisors: 1 2 4 7 13 14 26 28 52 61 91 122 182 244 364 427 793 854 1586 1708 3172 5551 11102 22204 14916831653 29833663306 59667326612 104417821571 193918811489 208835643142 387837622978 417671286284 775675245956 909926730833 1357431680423 1819853461666 2714863360846 3639706923332 5429726721692 6369487115831 11829047500829 12738974231662 23658095001658 25477948463324 47316190003316 82803332505803 165606665011606 331213330023212