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2112604442 = 21331672879
BaseRepresentation
bin111110111101011…
…1100100100011010
312110020020102110222
41331322330210122
513311311320232
6545344240042
7103231561424
oct17572744432
95406212428
102112604442
11994567a93
124ab610022
132788b2000
1416080b814
15c5706d12
hex7debc91a

2112604442 has 32 divisors (see below), whose sum is σ = 3454617600. Its totient is φ = 968872944.

The previous prime is 2112604421. The next prime is 2112604447. The reversal of 2112604442 is 2444062112.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (2112604447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732359 + ... + 735237.

It is an arithmetic number, because the mean of its divisors is an integer number (107956800).

Almost surely, 22112604442 is an apocalyptic number.

2112604442 is a deficient number, since it is larger than the sum of its proper divisors (1342013158).

2112604442 is a wasteful number, since it uses less digits than its factorization.

2112604442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2112604442 is about 45963.0769422588. The cubic root of 2112604442 is about 1283.1361173228.

Adding to 2112604442 its reverse (2444062112), we get a palindrome (4556666554).

The spelling of 2112604442 in words is "two billion, one hundred twelve million, six hundred four thousand, four hundred forty-two".

Divisors: 1 2 13 26 167 169 334 338 2171 2197 2879 4342 4394 5758 28223 37427 56446 74854 366899 480793 486551 733798 961586 973102 6250309 6325163 12500618 12650326 81254017 162508034 1056302221 2112604442