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3213215423 = 111721169733
BaseRepresentation
bin1011111110000101…
…1100011010111111
322021221020020220122
42333201130122333
523040040343143
61250502205155
7142424610665
oct27741343277
98257206818
103213215423
1113a985a340
127581237bb
133c2917b02
14226a68c35
1513c15dc68
hexbf85c6bf

3213215423 has 8 divisors (see below), whose sum is σ = 3507383376. Its totient is φ = 2919390400.

The previous prime is 3213215417. The next prime is 3213215459. The reversal of 3213215423 is 3245123123.

It is a happy number.

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 3213215423 - 26 = 3213215359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3213215392 and 3213215401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213215123) 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, 65936 + ... + 103797.

It is an arithmetic number, because the mean of its divisors is an integer number (438422922).

Almost surely, 23213215423 is an apocalyptic number.

3213215423 is a deficient number, since it is larger than the sum of its proper divisors (294167953).

3213215423 is a wasteful number, since it uses less digits than its factorization.

3213215423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171465.

The product of its digits is 4320, while the sum is 26.

The square root of 3213215423 is about 56685.2310835900. The cubic root of 3213215423 is about 1475.6383980575.

Adding to 3213215423 its reverse (3245123123), we get a palindrome (6458338546).

The spelling of 3213215423 in words is "three billion, two hundred thirteen million, two hundred fifteen thousand, four hundred twenty-three".

Divisors: 1 11 1721 18931 169733 1867063 292110493 3213215423