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10211230221 = 37334643579
BaseRepresentation
bin10011000001010001…
…10000001000001101
3222100122020020111220
421200220300020031
5131403033331341
64405130033553
7511021011333
oct114050601015
928318206456
1010211230221
11436aa78445
121b8b8788b9
13c696a727a
146cc229b53
153eb6d4a66
hex260a3020d

10211230221 has 8 divisors (see below), whose sum is σ = 13633550880. Its totient is φ = 6798198192.

The previous prime is 10211230193. The next prime is 10211230229. The reversal of 10211230221 is 12203211201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10211230221 - 26 = 10211230157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10211230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211230229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2319591 + ... + 2323988.

It is an arithmetic number, because the mean of its divisors is an integer number (1704193860).

Almost surely, 210211230221 is an apocalyptic number.

It is an amenable number.

10211230221 is a deficient number, since it is larger than the sum of its proper divisors (3422320659).

10211230221 is an equidigital number, since it uses as much as digits as its factorization.

10211230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644315.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10211230221 its reverse (12203211201), we get a palindrome (22414441422).

The spelling of 10211230221 in words is "ten billion, two hundred eleven million, two hundred thirty thousand, two hundred twenty-one".

Divisors: 1 3 733 2199 4643579 13930737 3403743407 10211230221