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2122004423 = 7112112619
BaseRepresentation
bin111111001111011…
…0011011111000111
312110212220222211102
41332132303133013
513321213120143
6550321530315
7103404511550
oct17636633707
95425828742
102122004423
119998a8370
124b27a399b
1327a823726
14161b77327
15c64620b8
hex7e7b37c7

2122004423 has 24 divisors (see below), whose sum is σ = 2662508160. Its totient is φ = 1643014800.

The previous prime is 2122004411. The next prime is 2122004431. The reversal of 2122004423 is 3244002212.

It is not a de Polignac number, because 2122004423 - 28 = 2122004167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122004395 and 2122004404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122004453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3427808 + ... + 3428426.

It is an arithmetic number, because the mean of its divisors is an integer number (110937840).

Almost surely, 22122004423 is an apocalyptic number.

2122004423 is a deficient number, since it is larger than the sum of its proper divisors (540503737).

2122004423 is an equidigital number, since it uses as much as digits as its factorization.

2122004423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2122004423 is about 46065.2192331698. The cubic root of 2122004423 is about 1285.0363957856.

Adding to 2122004423 its reverse (3244002212), we get a palindrome (5366006635).

The spelling of 2122004423 in words is "two billion, one hundred twenty-two million, four thousand, four hundred twenty-three".

Divisors: 1 7 11 77 211 619 1477 2321 4333 6809 16247 44521 47663 130609 311647 489731 914263 1436699 3428117 10056893 27558499 192909493 303143489 2122004423