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2122134444 = 223319649393
BaseRepresentation
bin111111001111101…
…0011001110101100
312110220011121012000
41332133103032230
513321231300234
6550324412300
7103405562613
oct17637231654
95426147160
102122134444
11999987021
124b2847090
1327a86a971
14161bac87a
15c648a899
hex7e7d33ac

2122134444 has 24 divisors (see below), whose sum is σ = 5501830320. Its totient is φ = 707378112.

The previous prime is 2122134439. The next prime is 2122134461. The reversal of 2122134444 is 4444312212.

2122134444 is a `hidden beast` number, since 2 + 1 + 2 + 213 + 4 + 444 = 666.

It is a super-2 number, since 2×21221344442 = 9006909196822378272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9824589 + ... + 9824804.

It is an arithmetic number, because the mean of its divisors is an integer number (229242930).

Almost surely, 22122134444 is an apocalyptic number.

It is an amenable number.

2122134444 is an abundant number, since it is smaller than the sum of its proper divisors (3379695876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122134444 is a wasteful number, since it uses less digits than its factorization.

2122134444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19649406 (or 19649398 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 2122134444 is about 46066.6304823785. The cubic root of 2122134444 is about 1285.0626411448.

Adding to 2122134444 its reverse (4444312212), we get a palindrome (6566446656).

The spelling of 2122134444 in words is "two billion, one hundred twenty-two million, one hundred thirty-four thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 19649393 39298786 58948179 78597572 117896358 176844537 235792716 353689074 530533611 707378148 1061067222 2122134444