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10241420221 = 25140802471
BaseRepresentation
bin10011000100110111…
…11010101110111101
3222102202001001102001
421202123322232331
5131433300421341
64412125102301
7511535430664
oct114233725675
928382031361
1010241420221
11438601865a
121b999b7991
13c72a17886
146d2247ddb
153ee199d31
hex2626fabbd

10241420221 has 4 divisors (see below), whose sum is σ = 10282222944. Its totient is φ = 10200617500.

The previous prime is 10241420219. The next prime is 10241420239. The reversal of 10241420221 is 12202414201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10241420221 - 21 = 10241420219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10241420251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20400985 + ... + 20401486.

It is an arithmetic number, because the mean of its divisors is an integer number (2570555736).

Almost surely, 210241420221 is an apocalyptic number.

It is an amenable number.

10241420221 is a deficient number, since it is larger than the sum of its proper divisors (40802723).

10241420221 is an equidigital number, since it uses as much as digits as its factorization.

10241420221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40802722.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10241420221 its reverse (12202414201), we get a palindrome (22443834422).

The spelling of 10241420221 in words is "ten billion, two hundred forty-one million, four hundred twenty thousand, two hundred twenty-one".

Divisors: 1 251 40802471 10241420221