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21032013214 = 253198415219
BaseRepresentation
bin10011100101100110…
…110000110110011110
32000021202102222020101
4103211212300312132
5321033143410324
613354553011314
71343123106532
oct234546606636
960252388211
1021032013214
118a13028903
1240ab6b3b3a
131ca2443244
1410373a7bc2
15831672944
hex4e59b0d9e

21032013214 has 8 divisors (see below), whose sum is σ = 32143265640. Its totient is φ = 10317591336.

The previous prime is 21032013203. The next prime is 21032013227. The reversal of 21032013214 is 41231023012.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 21032013191 and 21032013200.

It is a congruent number.

It is an unprimeable number.

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, 99207504 + ... + 99207715.

It is an arithmetic number, because the mean of its divisors is an integer number (4017908205).

Almost surely, 221032013214 is an apocalyptic number.

21032013214 is a deficient number, since it is larger than the sum of its proper divisors (11111252426).

21032013214 is a wasteful number, since it uses less digits than its factorization.

21032013214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198415274.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21032013214 its reverse (41231023012), we get a palindrome (62263036226).

The spelling of 21032013214 in words is "twenty-one billion, thirty-two million, thirteen thousand, two hundred fourteen".

Divisors: 1 2 53 106 198415219 396830438 10516006607 21032013214