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10003322221 = 47212836643
BaseRepresentation
bin10010101000011111…
…01001010101101101
3221211011000102100121
421110033221111231
5130441322302341
64332341524541
7502614556504
oct112417512555
927734012317
1010003322221
114273684052
121b32113751
13c355b1699
146ac78983b
153d83174d1
hex2543e956d

10003322221 has 4 divisors (see below), whose sum is σ = 10216158912. Its totient is φ = 9790485532.

The previous prime is 10003322207. The next prime is 10003322267. The reversal of 10003322221 is 12222330001.

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 10003322221 - 29 = 10003321709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10003322195 and 10003322204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003322621) 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, 106418275 + ... + 106418368.

It is an arithmetic number, because the mean of its divisors is an integer number (2554039728).

Almost surely, 210003322221 is an apocalyptic number.

It is an amenable number.

10003322221 is a deficient number, since it is larger than the sum of its proper divisors (212836691).

10003322221 is an equidigital number, since it uses as much as digits as its factorization.

10003322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212836690.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10003322221 its reverse (12222330001), we get a palindrome (22225652222).

The spelling of 10003322221 in words is "ten billion, three million, three hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 47 212836643 10003322221