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802420236212 = 227267409149399
BaseRepresentation
bin10111010110100111111…
…10010001111110110100
32211201012001020110220212
423223103332101332310
5101121324040024322
61412343214244552
7111654502320200
oct13532376217664
92751161213825
10802420236212
1128a339339011
1210b620ab6758
135a88b4cc0ca
142aba1971b00
1515d15a140e2
hexbad3f91fb4

802420236212 has 72 divisors (see below), whose sum is σ = 1661943528000. Its totient is φ = 337931104896.

The previous prime is 802420236203. The next prime is 802420236223. The reversal of 802420236212 is 212632024208.

It is a super-2 number, since 2×8024202362122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5296289 + ... + 5445687.

It is an arithmetic number, because the mean of its divisors is an integer number (23082549000).

Almost surely, 2802420236212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802420236212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830971764000).

802420236212 is an abundant number, since it is smaller than the sum of its proper divisors (859523291788).

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

802420236212 is a wasteful number, since it uses less digits than its factorization.

802420236212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149893 (or 149884 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 802420236212 in words is "eight hundred two billion, four hundred twenty million, two hundred thirty-six thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 67 98 134 196 268 409 469 818 938 1636 1876 2863 3283 5726 6566 11452 13132 20041 27403 40082 54806 80164 109612 149399 191821 298798 383642 597596 767284 1045793 1342747 2091586 2685494 4183172 5370988 7320551 10009733 14641102 20019466 29282204 40038932 61104191 70068131 122208382 140136262 244416764 280272524 427729337 490476917 855458674 980953834 1710917348 1961907668 2994105359 4093980797 5988210718 8187961594 11976421436 16375923188 28657865579 57315731158 114631462316 200605059053 401210118106 802420236212