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210212202020022 = 232372113149377159
BaseRepresentation
bin101111110010111111010111…
…101000001111110010110110
31000120022002102210101211121200
4233302333113220033302312
5210023104042204120042
62023030052532153330
762164221221252406
oct5762772750176266
91016262383354550
10210212202020022
1160a86548901834
121b6b0649168846
13903ac056b1957
1439ca4795dc806
15194817d7cec4c
hexbf2fd7a0fcb6

210212202020022 has 48 divisors (see below), whose sum is σ = 467990874667680. Its totient is φ = 68144664462336.

The previous prime is 210212202019997. The next prime is 210212202020027. The reversal of 210212202020022 is 220020202212012.

210212202020022 is a `hidden beast` number, since 210 + 212 + 2 + 0 + 20 + 200 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210212202019977 and 210212202020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210212202020027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73281322 + ... + 76095837.

It is an arithmetic number, because the mean of its divisors is an integer number (9749809888910).

Almost surely, 2210212202020022 is an apocalyptic number.

210212202020022 is an abundant number, since it is smaller than the sum of its proper divisors (257778672647658).

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

210212202020022 is a wasteful number, since it uses less digits than its factorization.

210212202020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149379317 (or 149379314 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 210212202020022 its reverse (220020202212012), we get a palindrome (430232404232034).

The spelling of 210212202020022 in words is "two hundred ten trillion, two hundred twelve billion, two hundred two million, twenty thousand, twenty-two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 2113 4226 6339 12678 19017 38034 78181 156362 234543 469086 703629 1407258 149377159 298754318 448131477 896262954 1344394431 2688788862 5526954883 11053909766 16580864649 33161729298 49742593947 99485187894 315633936967 631267873934 946901810901 1893803621802 2840705432703 5681410865406 11678455667779 23356911335558 35035367003337 70070734006674 105106101010011 210212202020022