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21030200301 = 3112237284881
BaseRepresentation
bin10011100101011111…
…110110001111101101
32000021122000212101110
4103211133312033231
5321032212402201
613354450102233
71343101516215
oct234537661755
960248025343
1021030200301
118a11aaa830
1240aab7a979
131ca1c5a006
141037055245
158314156d6
hex4e57f63ed

21030200301 has 16 divisors (see below), whose sum is σ = 30603163968. Its totient is φ = 12739833600.

The previous prime is 21030200299. The next prime is 21030200311. The reversal of 21030200301 is 10300203012.

It is a happy number.

It is not a de Polignac number, because 21030200301 - 21 = 21030200299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030200311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68620 + ... + 216261.

It is an arithmetic number, because the mean of its divisors is an integer number (1912697748).

Almost surely, 221030200301 is an apocalyptic number.

It is an amenable number.

21030200301 is a deficient number, since it is larger than the sum of its proper divisors (9572963667).

21030200301 is a wasteful number, since it uses less digits than its factorization.

21030200301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287132.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 21030200301 its reverse (10300203012), we get a palindrome (31330403313).

The spelling of 21030200301 in words is "twenty-one billion, thirty million, two hundred thousand, three hundred one".

Divisors: 1 3 11 33 2237 6711 24607 73821 284881 854643 3133691 9401073 637278797 1911836391 7010066767 21030200301