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3223122013 = 30137106949
BaseRepresentation
bin1100000000011100…
…1111000001011101
322022121212120012101
43000013033001131
523100104401023
61251454405101
7142605041116
oct30007170135
98277776171
103223122013
111404406301
1275b500791
133c49a5cb7
142280c720d
1513ce691ad
hexc01cf05d

3223122013 has 4 divisors (see below), whose sum is σ = 3223259100. Its totient is φ = 3222984928.

The previous prime is 3223122011. The next prime is 3223122017. The reversal of 3223122013 is 3102213223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 907395129 + 2315726884 = 30123^2 + 48122^2 .

It is a cyclic number.

It is not a de Polignac number, because 3223122013 - 21 = 3223122011 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 (3223122011) 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, 23338 + ... + 83611.

It is an arithmetic number, because the mean of its divisors is an integer number (805814775).

Almost surely, 23223122013 is an apocalyptic number.

It is an amenable number.

3223122013 is a deficient number, since it is larger than the sum of its proper divisors (137087).

3223122013 is a wasteful number, since it uses less digits than its factorization.

3223122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137086.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3223122013 is about 56772.5462966036. The cubic root of 3223122013 is about 1477.1533444056.

Adding to 3223122013 its reverse (3102213223), we get a palindrome (6325335236).

The spelling of 3223122013 in words is "three billion, two hundred twenty-three million, one hundred twenty-two thousand, thirteen".

Divisors: 1 30137 106949 3223122013