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21220048214 = 222946331983
BaseRepresentation
bin10011110000110100…
…000011110101010110
32000202212021010202122
4103300310003311112
5321424313020324
613425351135542
71350565301531
oct236064036526
960685233678
1021220048214
118aaa189332
1241426745b2
13200239b461
141054353a18
15842e16a5e
hex4f0d03d56

21220048214 has 8 divisors (see below), whose sum is σ = 31969068960. Its totient is φ = 10563691896.

The previous prime is 21220048177. The next prime is 21220048237. The reversal of 21220048214 is 41284002212.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23165534 + ... + 23166449.

It is an arithmetic number, because the mean of its divisors is an integer number (3996133620).

Almost surely, 221220048214 is an apocalyptic number.

21220048214 is a deficient number, since it is larger than the sum of its proper divisors (10749020746).

21220048214 is a wasteful number, since it uses less digits than its factorization.

21220048214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46332214.

The product of its (nonzero) digits is 2048, while the sum is 26.

The spelling of 21220048214 in words is "twenty-one billion, two hundred twenty million, forty-eight thousand, two hundred fourteen".

Divisors: 1 2 229 458 46331983 92663966 10610024107 21220048214