Search a number
-
+
33868282212 = 2232940785617
BaseRepresentation
bin11111100010101101…
…001111100101100100
310020102100010222222200
4133202231033211210
51023330240012322
623320414454500
72306200435362
oct374255174544
9106370128880
1033868282212
11133aa842786
126692504430
13326991919b
1418d40b2632
15d335318ac
hex7e2b4f964

33868282212 has 18 divisors (see below), whose sum is σ = 85611491238. Its totient is φ = 11289427392.

The previous prime is 33868282199. The next prime is 33868282213. The reversal of 33868282212 is 21228286833.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33250063716 + 618218496 = 182346^2 + 24864^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×338682822122 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33868282213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 470392773 + ... + 470392844.

Almost surely, 233868282212 is an apocalyptic number.

It is an amenable number.

33868282212 is an abundant number, since it is smaller than the sum of its proper divisors (51743209026).

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

33868282212 is a wasteful number, since it uses less digits than its factorization.

33868282212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940785627 (or 940785622 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The spelling of 33868282212 in words is "thirty-three billion, eight hundred sixty-eight million, two hundred eighty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 940785617 1881571234 2822356851 3763142468 5644713702 8467070553 11289427404 16934141106 33868282212