Search a number
-
+
3213102001 = 23139700087
BaseRepresentation
bin1011111110000100…
…0000101110110001
322021221000111022211
42333201000232301
523040023231001
61250455532121
7142423626214
oct27741005661
98257014284
103213102001
1113a97920aa
1275808a041
133c28a82b5
14226a3977b
1513c13a351
hexbf840bb1

3213102001 has 4 divisors (see below), whose sum is σ = 3352802112. Its totient is φ = 3073401892.

The previous prime is 3213101999. The next prime is 3213102023. The reversal of 3213102001 is 1002013123.

3213102001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3213102001 - 21 = 3213101999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213102041) 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, 69850021 + ... + 69850066.

It is an arithmetic number, because the mean of its divisors is an integer number (838200528).

Almost surely, 23213102001 is an apocalyptic number.

It is an amenable number.

3213102001 is a deficient number, since it is larger than the sum of its proper divisors (139700111).

3213102001 is a wasteful number, since it uses less digits than its factorization.

3213102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139700110.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3213102001 is about 56684.2306201645. The cubic root of 3213102001 is about 1475.6210351976.

Adding to 3213102001 its reverse (1002013123), we get a palindrome (4215115124).

The spelling of 3213102001 in words is "three billion, two hundred thirteen million, one hundred two thousand, one".

Divisors: 1 23 139700087 3213102001