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20213213001 = 313275077421
BaseRepresentation
bin10010110100110011…
…010010011101001001
31221011200201121111120
4102310303102131021
5312344040304001
613141423145453
71313621322102
oct226463223511
957150647446
1020213213001
118632917113
123b01445289
131ba190a087
14d9a7473a9
157d4835236
hex4b4cd2749

20213213001 has 8 divisors (see below), whose sum is σ = 26971265664. Its totient is φ = 13465317840.

The previous prime is 20213212963. The next prime is 20213213047. The reversal of 20213213001 is 10031231202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20213213001 - 233 = 11623278409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20213213051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2534730 + ... + 2542691.

It is an arithmetic number, because the mean of its divisors is an integer number (3371408208).

Almost surely, 220213213001 is an apocalyptic number.

It is an amenable number.

20213213001 is a deficient number, since it is larger than the sum of its proper divisors (6758052663).

20213213001 is a wasteful number, since it uses less digits than its factorization.

20213213001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078751.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20213213001 its reverse (10031231202), we get a palindrome (30244444203).

The spelling of 20213213001 in words is "twenty billion, two hundred thirteen million, two hundred thirteen thousand, one".

Divisors: 1 3 1327 3981 5077421 15232263 6737737667 20213213001