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10312200221 = 171075669159
BaseRepresentation
bin10011001101010011…
…11011000000011101
3222121200020001022112
421212221323000131
5132104410401341
64423134123405
7513355153451
oct114651730035
928550201275
1010312200221
114411a71724
121bb9650565
13c8459a42b
146db7d0661
154054cbaeb
hex266a7b01d

10312200221 has 8 divisors (see below), whose sum is σ = 11020847040. Its totient is φ = 9614891968.

The previous prime is 10312200211. The next prime is 10312200233. The reversal of 10312200221 is 12200221301.

It is a happy number.

10312200221 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10312200221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10312200196 and 10312200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312200211) 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, 2832761 + ... + 2836398.

It is an arithmetic number, because the mean of its divisors is an integer number (1377605880).

Almost surely, 210312200221 is an apocalyptic number.

It is an amenable number.

10312200221 is a deficient number, since it is larger than the sum of its proper divisors (708646819).

10312200221 is a wasteful number, since it uses less digits than its factorization.

10312200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669283.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10312200221 its reverse (12200221301), we get a palindrome (22512421522).

The spelling of 10312200221 in words is "ten billion, three hundred twelve million, two hundred thousand, two hundred twenty-one".

Divisors: 1 17 107 1819 5669159 96375703 606600013 10312200221