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10323222121 = 85371209233
BaseRepresentation
bin10011001110100111…
…11101111001101001
3222122102222000112001
421213103331321221
5132120221101441
64424210251001
7513550640332
oct114723757151
928572860461
1010323222121
11441820a633
122001286a61
13c86959174
146dd05d289
15406457731
hex2674fde69

10323222121 has 4 divisors (see below), whose sum is σ = 10324439892. Its totient is φ = 10322004352.

The previous prime is 10323222097. The next prime is 10323222131. The reversal of 10323222121 is 12122232301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3532638096 + 6790584025 = 59436^2 + 82405^2 .

It is a cyclic number.

It is not a de Polignac number, because 10323222121 - 29 = 10323221609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10323222131) 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, 596080 + ... + 613153.

It is an arithmetic number, because the mean of its divisors is an integer number (2581109973).

Almost surely, 210323222121 is an apocalyptic number.

It is an amenable number.

10323222121 is a deficient number, since it is larger than the sum of its proper divisors (1217771).

10323222121 is an equidigital number, since it uses as much as digits as its factorization.

10323222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217770.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10323222121 its reverse (12122232301), we get a palindrome (22445454422).

The spelling of 10323222121 in words is "ten billion, three hundred twenty-three million, two hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 8537 1209233 10323222121