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2121223014 = 232120198123
BaseRepresentation
bin111111001101111…
…0100101101100110
312110211110021221100
41332123310231212
513321013114024
6550253100530
7103365045441
oct17633645546
95424407840
102121223014
11999414279
124b2487746
1327a60bb61
14161a12658
15c635a7c9
hex7e6f4b66

2121223014 has 24 divisors (see below), whose sum is σ = 4599856872. Its totient is φ = 706478400.

The previous prime is 2121223003. The next prime is 2121223031. The reversal of 2121223014 is 4103221212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27444 + ... + 70679.

It is an arithmetic number, because the mean of its divisors is an integer number (191660703).

Almost surely, 22121223014 is an apocalyptic number.

2121223014 is an abundant number, since it is smaller than the sum of its proper divisors (2478633858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121223014 is a wasteful number, since it uses less digits than its factorization.

2121223014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99332 (or 99329 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2121223014 is about 46056.7369013481. The cubic root of 2121223014 is about 1284.8786420640.

Adding to 2121223014 its reverse (4103221212), we get a palindrome (6224444226).

The spelling of 2121223014 in words is "two billion, one hundred twenty-one million, two hundred twenty-three thousand, fourteen".

Divisors: 1 2 3 6 9 18 1201 2402 3603 7206 10809 21618 98123 196246 294369 588738 883107 1766214 117845723 235691446 353537169 707074338 1060611507 2121223014