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21213200301 = 344211599427
BaseRepresentation
bin10011110000011001…
…111011111110101101
32000202101101020012020
4103300121323332231
5321421034402201
613424544300353
71350453141006
oct236031737655
960671336166
1021213200301
118aa63313a7
1241403116b9
132000b41537
1410534901ad
15842512a36
hex4f067bfad

21213200301 has 8 divisors (see below), whose sum is σ = 28290682464. Its totient is φ = 14138925840.

The previous prime is 21213200257. The next prime is 21213200329. The reversal of 21213200301 is 10300231212.

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

It is not a de Polignac number, because 21213200301 - 29 = 21213199789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21213200501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786451 + ... + 812976.

It is an arithmetic number, because the mean of its divisors is an integer number (3536335308).

Almost surely, 221213200301 is an apocalyptic number.

It is an amenable number.

21213200301 is a deficient number, since it is larger than the sum of its proper divisors (7077482163).

21213200301 is a wasteful number, since it uses less digits than its factorization.

21213200301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603851.

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

Adding to 21213200301 its reverse (10300231212), we get a palindrome (31513431513).

The spelling of 21213200301 in words is "twenty-one billion, two hundred thirteen million, two hundred thousand, three hundred one".

Divisors: 1 3 4421 13263 1599427 4798281 7071066767 21213200301