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10112333221 = 74449135829
BaseRepresentation
bin10010110101011110…
…11111010110100101
3222002202010202100001
421122233133112211
5131202224130341
64351234221301
7505410262024
oct113257372645
928082122301
1010112333221
11431a16a691
121b62724831
13c5205b833
146bd0448bb
153e2b9bd31
hex25abdf5a5

10112333221 has 4 divisors (see below), whose sum is σ = 10112543500. Its totient is φ = 10112122944.

The previous prime is 10112333201. The next prime is 10112333233. The reversal of 10112333221 is 12233321101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12233321101 = 12796325363.

It can be written as a sum of positive squares in 2 ways, for example, as 1742645025 + 8369688196 = 41745^2 + 91486^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112333221 - 27 = 10112333093 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 (10112333201) 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, 6535 + ... + 142363.

It is an arithmetic number, because the mean of its divisors is an integer number (2528135875).

Almost surely, 210112333221 is an apocalyptic number.

It is an amenable number.

10112333221 is a deficient number, since it is larger than the sum of its proper divisors (210279).

10112333221 is an equidigital number, since it uses as much as digits as its factorization.

10112333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210278.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10112333221 its reverse (12233321101), we get a palindrome (22345654322).

The spelling of 10112333221 in words is "ten billion, one hundred twelve million, three hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 74449 135829 10112333221