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21023000112313 = 35681958917827
BaseRepresentation
bin1001100011110110011000…
…11101000010110010111001
32202102210001000122200210101
410301323030131002302321
510223420101012043223
6112413455524515401
74266601353345643
oct461731435026271
982383030580711
1021023000112313
116775893549811
12243649424bb61
13b965ca67a894
145297391c1893
15266cca9304ad
hex131ecc742cb9

21023000112313 has 4 divisors (see below), whose sum is σ = 21023059386960. Its totient is φ = 21022940837668.

The previous prime is 21023000112311. The next prime is 21023000112319. The reversal of 21023000112313 is 31321100032012.

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 21023000112313 - 21 = 21023000112311 is a prime.

It is a super-3 number, since 3×210230001123133 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21023000112311) 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 3 ways as a sum of consecutive naturals, for example, 29102095 + ... + 29815732.

It is an arithmetic number, because the mean of its divisors is an integer number (5255764846740).

Almost surely, 221023000112313 is an apocalyptic number.

It is an amenable number.

21023000112313 is a deficient number, since it is larger than the sum of its proper divisors (59274647).

21023000112313 is an equidigital number, since it uses as much as digits as its factorization.

21023000112313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59274646.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21023000112313 its reverse (31321100032012), we get a palindrome (52344100144325).

The spelling of 21023000112313 in words is "twenty-one trillion, twenty-three billion, one hundred twelve thousand, three hundred thirteen".

Divisors: 1 356819 58917827 21023000112313