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21301222031303 = 34965992617633
BaseRepresentation
bin1001101011111100100111…
…10001011011111111000111
32210102101011210021120200112
410311332103301123333013
510242444400320000203
6113145351334103235
74325651065550624
oct465762361337707
983371153246615
1021301222031303
116872885573455
1224803a01aab1b
13bb6909617506
14538dadc2d34b
1526e1611e96d8
hex135f93c5bfc7

21301222031303 has 8 divisors (see below), whose sum is σ = 21394673454000. Its totient is φ = 21207955845888.

The previous prime is 21301222031261. The next prime is 21301222031321. The reversal of 21301222031303 is 30313022210312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-21301222031303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21301222031393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46078826 + ... + 46538807.

It is an arithmetic number, because the mean of its divisors is an integer number (2674334181750).

Almost surely, 221301222031303 is an apocalyptic number.

21301222031303 is a deficient number, since it is larger than the sum of its proper divisors (93451422697).

21301222031303 is an equidigital number, since it uses as much as digits as its factorization.

21301222031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92618641.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21301222031303 its reverse (30313022210312), we get a palindrome (51614244241615).

The spelling of 21301222031303 in words is "twenty-one trillion, three hundred one billion, two hundred twenty-two million, thirty-one thousand, three hundred three".

Divisors: 1 349 659 229991 92617633 32323553917 61035020147 21301222031303