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210132321220 = 22510506616061
BaseRepresentation
bin1100001110110011011…
…1001100001111000100
3202002101111000221012201
43003230313030033010
511420322333234340
6240311120524244
721116163155053
oct3035467141704
9662344027181
10210132321220
1181131243098
1234884a80684
1316a7a558813
14a255a4a39a
1556ecc6d79a
hex30ecdcc3c4

210132321220 has 12 divisors (see below), whose sum is σ = 441277874604. Its totient is φ = 84052928480.

The previous prime is 210132321193. The next prime is 210132321221. The reversal of 210132321220 is 22123231012.

210132321220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 74814284484 + 135318036736 = 273522^2 + 367856^2 .

It is not an unprimeable number, because it can be changed into a prime (210132321221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5253308011 + ... + 5253308050.

It is an arithmetic number, because the mean of its divisors is an integer number (36773156217).

Almost surely, 2210132321220 is an apocalyptic number.

210132321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210132321220 is an abundant number, since it is smaller than the sum of its proper divisors (231145553384).

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

210132321220 is a wasteful number, since it uses less digits than its factorization.

210132321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10506616070 (or 10506616068 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 210132321220 its reverse (22123231012), we get a palindrome (232255552232).

The spelling of 210132321220 in words is "two hundred ten billion, one hundred thirty-two million, three hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 10506616061 21013232122 42026464244 52533080305 105066160610 210132321220