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10013313221 = 18715351851
BaseRepresentation
bin10010101001101011…
…10000100011000101
3221211211211000102122
421110311300203011
5131001402010341
64333340015325
7503065521002
oct112465604305
927754730378
1010013313221
11427928847a
121b35531545
13c3769c112
146adc2a8a9
153d913c94b
hex254d708c5

10013313221 has 4 divisors (see below), whose sum is σ = 10018666944. Its totient is φ = 10007959500.

The previous prime is 10013313217. The next prime is 10013313229. The reversal of 10013313221 is 12231331001.

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 10013313221 - 22 = 10013313217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10013313221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10013313229) 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, 2674055 + ... + 2677796.

It is an arithmetic number, because the mean of its divisors is an integer number (2504666736).

Almost surely, 210013313221 is an apocalyptic number.

It is an amenable number.

10013313221 is a deficient number, since it is larger than the sum of its proper divisors (5353723).

10013313221 is an equidigital number, since it uses as much as digits as its factorization.

10013313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353722.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10013313221 its reverse (12231331001), we get a palindrome (22244644222).

The spelling of 10013313221 in words is "ten billion, thirteen million, three hundred thirteen thousand, two hundred twenty-one".

Divisors: 1 1871 5351851 10013313221