Search a number
-
+
2212212310021 = 7613515547031
BaseRepresentation
bin100000001100010010001…
…000010000000000000101
321211111002212202011102001
4200030102020100000011
5242221102322410041
64412135403145301
7315553453243330
oct40142210200005
97744085664361
102212212310021
117832151a428a
122b88a9515231
131307c29c249c
1479100857617
153c82865e131
hex20312210005

2212212310021 has 8 divisors (see below), whose sum is σ = 2532367021184. Its totient is φ = 1893088694160.

The previous prime is 2212212310019. The next prime is 2212212310039. The reversal of 2212212310021 is 1200132122122.

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 2212212310021 - 21 = 2212212310019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212212310621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257769225 + ... + 257777806.

It is an arithmetic number, because the mean of its divisors is an integer number (316545877648).

Almost surely, 22212212310021 is an apocalyptic number.

It is an amenable number.

2212212310021 is a deficient number, since it is larger than the sum of its proper divisors (320154711163).

2212212310021 is an equidigital number, since it uses as much as digits as its factorization.

2212212310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515547651.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2212212310021 its reverse (1200132122122), we get a palindrome (3412344432143).

The spelling of 2212212310021 in words is "two trillion, two hundred twelve billion, two hundred twelve million, three hundred ten thousand, twenty-one".

Divisors: 1 7 613 4291 515547031 3608829217 316030330003 2212212310021