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213111062 = 2131813401
BaseRepresentation
bin11001011001111…
…01000100010110
3112212000011102022
430230331010112
5414024023222
633051413142
75165262023
oct1454750426
9485004368
10213111062
11aa32854a
125b4541b2
13351c7c28
142043654a
1513a99042
hexcb3d116

213111062 has 8 divisors (see below), whose sum is σ = 322107192. Its totient is φ = 105742000.

The previous prime is 213111061. The next prime is 213111131. The reversal of 213111062 is 260111312.

213111062 is digitally balanced in base 2 and base 3, because in such bases 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 self number, because there is not a number n which added to its sum of digits gives 213111062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213111061) 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, 406439 + ... + 406962.

It is an arithmetic number, because the mean of its divisors is an integer number (40263399).

Almost surely, 2213111062 is an apocalyptic number.

213111062 is a deficient number, since it is larger than the sum of its proper divisors (108996130).

213111062 is a wasteful number, since it uses less digits than its factorization.

213111062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813534.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 213111062 is about 14598.3239448918. The cubic root of 213111062 is about 597.3130424683.

Adding to 213111062 its reverse (260111312), we get a palindrome (473222374).

The spelling of 213111062 in words is "two hundred thirteen million, one hundred eleven thousand, sixty-two".

Divisors: 1 2 131 262 813401 1626802 106555531 213111062