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212021120323 = 3134903138157
BaseRepresentation
bin1100010101110101110…
…0011000110101000011
3202021021010010212111001
43011131130120311003
511433204401322243
6241222352232431
721214036534015
oct3053534306503
9667233125431
10212021120323
1181a10438891
123511153b717
1316cbb96a01c
14a39483a1b5
1557ad9b7a4d
hex315d718d43

212021120323 has 8 divisors (see below), whose sum is σ = 212743425248. Its totient is φ = 211299102144.

The previous prime is 212021120321. The next prime is 212021120329. The reversal of 212021120323 is 323021120212.

212021120323 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 not a de Polignac number, because 212021120323 - 21 = 212021120321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212021120323.

It is not an unprimeable number, because it can be changed into a prime (212021120321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465561 + ... + 1603717.

It is an arithmetic number, because the mean of its divisors is an integer number (26592928156).

Almost surely, 2212021120323 is an apocalyptic number.

212021120323 is a deficient number, since it is larger than the sum of its proper divisors (722304925).

212021120323 is a wasteful number, since it uses less digits than its factorization.

212021120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143373.

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

Adding to 212021120323 its reverse (323021120212), we get a palindrome (535042240535).

The spelling of 212021120323 in words is "two hundred twelve billion, twenty-one million, one hundred twenty thousand, three hundred twenty-three".

Divisors: 1 313 4903 138157 1534639 43243141 677383771 212021120323