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3213320013 = 32357035557
BaseRepresentation
bin1011111110000111…
…0101111101001101
322021221102120101100
42333201311331031
523040102220023
61250504333313
7142425524631
oct27741657515
98257376340
103213320013
1113a9920982
12758174239
133c29535b7
14226a94dc1
1513c17ec43
hexbf875f4d

3213320013 has 6 divisors (see below), whose sum is σ = 4641462254. Its totient is φ = 2142213336.

The previous prime is 3213319999. The next prime is 3213320021. The reversal of 3213320013 is 3100233123.

3213320013 is a `hidden beast` number, since 321 + 332 + 0 + 0 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1950370569 + 1262949444 = 44163^2 + 35538^2 .

It is not a de Polignac number, because 3213320013 - 210 = 3213318989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213320083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178517770 + ... + 178517787.

Almost surely, 23213320013 is an apocalyptic number.

It is an amenable number.

3213320013 is a deficient number, since it is larger than the sum of its proper divisors (1428142241).

3213320013 is a wasteful number, since it uses less digits than its factorization.

3213320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357035563 (or 357035560 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3213320013 is about 56686.1536267897. The cubic root of 3213320013 is about 1475.6544085357.

Adding to 3213320013 its reverse (3100233123), we get a palindrome (6313553136).

The spelling of 3213320013 in words is "three billion, two hundred thirteen million, three hundred twenty thousand, thirteen".

Divisors: 1 3 9 357035557 1071106671 3213320013