Search a number
-
+
212965484493 = 3237574077221
BaseRepresentation
bin1100011001010110111…
…0110110011111001101
3202100200221010112120210
43012111232312133031
511442123131000433
6241500205233033
721246324515226
oct3062556663715
9670627115523
10212965484493
1182355511643
1235335862779
131710c4c77a8
14a44402424d
155816859463
hex3195bb67cd

212965484493 has 16 divisors (see below), whose sum is σ = 296691290496. Its totient is φ = 135624646080.

The previous prime is 212965484483. The next prime is 212965484549. The reversal of 212965484493 is 394484569212.

It is not a de Polignac number, because 212965484493 - 24 = 212965484477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212965484443) by changing a digit.

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, 1986378 + ... + 2090843.

It is an arithmetic number, because the mean of its divisors is an integer number (18543205656).

Almost surely, 2212965484493 is an apocalyptic number.

212965484493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212965484493 is a deficient number, since it is larger than the sum of its proper divisors (83725806003).

212965484493 is a wasteful number, since it uses less digits than its factorization.

212965484493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078004.

The product of its digits is 14929920, while the sum is 57.

The spelling of 212965484493 in words is "two hundred twelve billion, nine hundred sixty-five million, four hundred eighty-four thousand, four hundred ninety-three".

Divisors: 1 3 23 69 757 2271 17411 52233 4077221 12231663 93776083 281328249 3086456297 9259368891 70988494831 212965484493