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1112110421 = 23675931217
BaseRepresentation
bin100001001001001…
…0111010101010101
32212111122001200212
41002102113111111
54234200013141
6302204215205
736362532302
oct10222272525
92774561625
101112110421
11520837024
1227053a505
13149531006
14a79b20a9
15679792eb
hex42497555

1112110421 has 16 divisors (see below), whose sum is σ = 1180738944. Its totient is φ = 1045254144.

The previous prime is 1112110409. The next prime is 1112110423. The reversal of 1112110421 is 1240112111.

It is a cyclic number.

It is not a de Polignac number, because 1112110421 - 214 = 1112094037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112110396 and 1112110405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112110423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913205 + ... + 914421.

It is an arithmetic number, because the mean of its divisors is an integer number (73796184).

Almost surely, 21112110421 is an apocalyptic number.

It is an amenable number.

1112110421 is a deficient number, since it is larger than the sum of its proper divisors (68628523).

1112110421 is a wasteful number, since it uses less digits than its factorization.

1112110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1112110421 is about 33348.3196128381. The cubic root of 1112110421 is about 1036.0545844264.

Adding to 1112110421 its reverse (1240112111), we get a palindrome (2352222532).

The spelling of 1112110421 in words is "one billion, one hundred twelve million, one hundred ten thousand, four hundred twenty-one".

Divisors: 1 23 67 593 1217 1541 13639 27991 39731 81539 721681 913813 1875397 16598663 48352627 1112110421