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21310302000133 = 23926534869571
BaseRepresentation
bin1001101100001101100001…
…11110110001010000000101
32210110020121120211210022101
410312012300332301100011
510243121444303001013
6113153452333232101
74326422102165146
oct466066076612005
983406546753271
1021310302000133
116876714a14423
1224820b5032631
13bb7725816933
145395d1addacd
1526e4e34208dd
hex1361b0fb1405

21310302000133 has 4 divisors (see below), whose sum is σ = 22236836869728. Its totient is φ = 20383767130540.

The previous prime is 21310302000083. The next prime is 21310302000139. The reversal of 21310302000133 is 33100020301312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21310302000133 - 213 = 21310301991941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21310302000133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21310302000139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463267434763 + ... + 463267434808.

It is an arithmetic number, because the mean of its divisors is an integer number (5559209217432).

Almost surely, 221310302000133 is an apocalyptic number.

21310302000133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21310302000133 is a deficient number, since it is larger than the sum of its proper divisors (926534869595).

21310302000133 is an equidigital number, since it uses as much as digits as its factorization.

21310302000133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926534869594.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21310302000133 its reverse (33100020301312), we get a palindrome (54410322301445).

The spelling of 21310302000133 in words is "twenty-one trillion, three hundred ten billion, three hundred two million, one hundred thirty-three", and thus it is an aban number.

Divisors: 1 23 926534869571 21310302000133