Search a number
-
+
3213301421 = 11292118311
BaseRepresentation
bin1011111110000111…
…0001011010101101
322021221101121212202
42333201301122231
523040101121141
61250504111245
7142425416501
oct27741613255
98257347782
103213301421
1113a9908a10
12758165525
133c2947cb5
14226a8c301
1513c17949b
hexbf8716ad

3213301421 has 4 divisors (see below), whose sum is σ = 3505419744. Its totient is φ = 2921183100.

The previous prime is 3213301417. The next prime is 3213301439. The reversal of 3213301421 is 1241033123.

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 not a de Polignac number, because 3213301421 - 22 = 3213301417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3213301393 and 3213301402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213301321) 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, 146059145 + ... + 146059166.

It is an arithmetic number, because the mean of its divisors is an integer number (876354936).

Almost surely, 23213301421 is an apocalyptic number.

It is an amenable number.

3213301421 is a deficient number, since it is larger than the sum of its proper divisors (292118323).

3213301421 is a wasteful number, since it uses less digits than its factorization.

3213301421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292118322.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3213301421 is about 56685.9896358880. The cubic root of 3213301421 is about 1475.6515625260.

Adding to 3213301421 its reverse (1241033123), we get a palindrome (4454334544).

The spelling of 3213301421 in words is "three billion, two hundred thirteen million, three hundred one thousand, four hundred twenty-one".

Divisors: 1 11 292118311 3213301421