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10012221321 = 316097207331
BaseRepresentation
bin10010101001100011…
…00101111110001001
3221211202202112121220
421110301211332021
5131001112040241
64333300352253
7503053322424
oct112461457611
927752675556
1010012221321
114278702083
121b350a5689
13c373a911b
146ada249bb
153d8ec4166
hex254c65f89

10012221321 has 8 divisors (see below), whose sum is σ = 13350522144. Its totient is φ = 6674367360.

The previous prime is 10012221283. The next prime is 10012221347. The reversal of 10012221321 is 12312221001.

10012221321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10012221321 - 29 = 10012220809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10012221321.

It is not an unprimeable number, because it can be changed into a prime (10012221391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55375 + ... + 151956.

It is an arithmetic number, because the mean of its divisors is an integer number (1668815268).

Almost surely, 210012221321 is an apocalyptic number.

It is an amenable number.

10012221321 is a deficient number, since it is larger than the sum of its proper divisors (3338300823).

10012221321 is a wasteful number, since it uses less digits than its factorization.

10012221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223431.

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

Adding to 10012221321 its reverse (12312221001), we get a palindrome (22324442322).

The spelling of 10012221321 in words is "ten billion, twelve million, two hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 3 16097 48291 207331 621993 3337407107 10012221321