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210222512513 = 13110321146581
BaseRepresentation
bin1100001111001000111…
…1001111100110000001
3202002121202202010101222
43003302033033212001
511421013430400023
6240324102004425
721121336605326
oct3036217174601
9662552663358
10210222512513
1181178145152
12348ab116715
1316a93146850
14a263a06b4d
155705b36cc8
hex30f23cf981

210222512513 has 8 divisors (see below), whose sum is σ = 226397071656. Its totient is φ = 194048467200.

The previous prime is 210222512453. The next prime is 210222512531. The reversal of 210222512513 is 315215222012.

It is a happy number.

210222512513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14215315984 + 196007196529 = 119228^2 + 442727^2 .

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 210222512513 - 214 = 210222496129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210222512813) 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, 1360883 + ... + 1507463.

It is an arithmetic number, because the mean of its divisors is an integer number (28299633957).

Almost surely, 2210222512513 is an apocalyptic number.

It is an amenable number.

210222512513 is a deficient number, since it is larger than the sum of its proper divisors (16174559143).

210222512513 is a wasteful number, since it uses less digits than its factorization.

210222512513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256915.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 210222512513 its reverse (315215222012), we get a palindrome (525437734525).

The spelling of 210222512513 in words is "two hundred ten billion, two hundred twenty-two million, five hundred twelve thousand, five hundred thirteen".

Divisors: 1 13 110321 146581 1434173 1905553 16170962501 210222512513