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10221021322 = 28221621641
BaseRepresentation
bin10011000010011100…
…00110100010001010
3222101022122200101021
421201032012202022
5131413040140242
64410115543054
7511200150661
oct114116064212
928338580337
1010221021322
114375555666
121b92bbaa8a
13c6b724a15
146cd657dd8
153ec4bab67
hex26138688a

10221021322 has 8 divisors (see below), whose sum is σ = 15333421572. Its totient is φ = 5109880800.

The previous prime is 10221021301. The next prime is 10221021361. The reversal of 10221021322 is 22312012201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9830524201 + 390497121 = 99149^2 + 19761^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 10221021296 and 10221021305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294379 + ... + 327262.

Almost surely, 210221021322 is an apocalyptic number.

10221021322 is a deficient number, since it is larger than the sum of its proper divisors (5112400250).

10221021322 is an equidigital number, since it uses as much as digits as its factorization.

10221021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629864.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10221021322 its reverse (22312012201), we get a palindrome (32533033523).

The spelling of 10221021322 in words is "ten billion, two hundred twenty-one million, twenty-one thousand, three hundred twenty-two".

Divisors: 1 2 8221 16442 621641 1243282 5110510661 10221021322