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10321311211 = 79130649509
BaseRepresentation
bin10011001110011001…
…01011010111101011
3222122022100221020121
421213030223113223
5132114223424321
64424101304111
7513525461221
oct114714532753
928568327217
1010321311211
114417124972
122000705037
13c8643a453
146dcac2b11
154061cb441
hex26732b5eb

10321311211 has 4 divisors (see below), whose sum is σ = 10451960800. Its totient is φ = 10190661624.

The previous prime is 10321311193. The next prime is 10321311223. The reversal of 10321311211 is 11211312301.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10321311211 - 27 = 10321311083 is a prime.

It is a super-2 number, since 2×103213112112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10321311241) 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, 65324676 + ... + 65324833.

It is an arithmetic number, because the mean of its divisors is an integer number (2612990200).

Almost surely, 210321311211 is an apocalyptic number.

10321311211 is a deficient number, since it is larger than the sum of its proper divisors (130649589).

10321311211 is an equidigital number, since it uses as much as digits as its factorization.

10321311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130649588.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10321311211 its reverse (11211312301), we get a palindrome (21532623512).

The spelling of 10321311211 in words is "ten billion, three hundred twenty-one million, three hundred eleven thousand, two hundred eleven".

Divisors: 1 79 130649509 10321311211