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21132583583 is a prime number
BaseRepresentation
bin10011101011100110…
…011010001010011111
32000112202200110211212
4103223212122022133
5321234420133313
613412544335035
71345453665566
oct235346321237
960482613755
1021132583583
118a64879911
12411931447b
131cba226537
1410468a6bdd
1583a3db3a8
hex4eb99a29f

21132583583 has 2 divisors, whose sum is σ = 21132583584. Its totient is φ = 21132583582.

The previous prime is 21132583553. The next prime is 21132583613. The reversal of 21132583583 is 38538523112.

It is a balanced prime because it is at equal distance from previous prime (21132583553) and next prime (21132583613).

It is a cyclic number.

It is not a de Polignac number, because 21132583583 - 234 = 3952714399 is a prime.

It is a super-2 number, since 2×211325835832 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21132583583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21132583553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566291791 + 10566291792.

It is an arithmetic number, because the mean of its divisors is an integer number (10566291792).

Almost surely, 221132583583 is an apocalyptic number.

21132583583 is a deficient number, since it is larger than the sum of its proper divisors (1).

21132583583 is an equidigital number, since it uses as much as digits as its factorization.

21132583583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 41.

The spelling of 21132583583 in words is "twenty-one billion, one hundred thirty-two million, five hundred eighty-three thousand, five hundred eighty-three".