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3213212101 = 11292110191
BaseRepresentation
bin1011111110000101…
…1011100111000101
322021221020002100121
42333201123213011
523040040241401
61250502141541
7142424565211
oct27741334705
98257202317
103213212101
1113a98578a0
127581218b1
133c2916448
14226a67941
1513c15cca1
hexbf85b9c5

3213212101 has 4 divisors (see below), whose sum is σ = 3505322304. Its totient is φ = 2921101900.

The previous prime is 3213212099. The next prime is 3213212153. The reversal of 3213212101 is 1012123123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3213212101 - 21 = 3213212099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213212161) 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 3 ways as a sum of consecutive naturals, for example, 146055085 + ... + 146055106.

It is an arithmetic number, because the mean of its divisors is an integer number (876330576).

Almost surely, 23213212101 is an apocalyptic number.

It is an amenable number.

3213212101 is a deficient number, since it is larger than the sum of its proper divisors (292110203).

3213212101 is a wasteful number, since it uses less digits than its factorization.

3213212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292110202.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3213212101 is about 56685.2017814173. The cubic root of 3213212101 is about 1475.6378895251.

Adding to 3213212101 its reverse (1012123123), we get a palindrome (4225335224).

The spelling of 3213212101 in words is "three billion, two hundred thirteen million, two hundred twelve thousand, one hundred one".

Divisors: 1 11 292110191 3213212101