Search a number
-
+
1112257993 = 71114444909
BaseRepresentation
bin100001001001011…
…1011010111001001
32212111220120010111
41002102323113021
54234214223433
6302211314321
736364015450
oct10222732711
92774816114
101112257993
11520927990
122705ab9a1
13149583232
14a7a0db97
15679a7dcd
hex424bb5c9

1112257993 has 8 divisors (see below), whose sum is σ = 1386711360. Its totient is φ = 866694480.

The previous prime is 1112257981. The next prime is 1112258023. The reversal of 1112257993 is 3997522111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112257993 - 217 = 1112126921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112257903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7222378 + ... + 7222531.

It is an arithmetic number, because the mean of its divisors is an integer number (173338920).

Almost surely, 21112257993 is an apocalyptic number.

It is an amenable number.

1112257993 is a deficient number, since it is larger than the sum of its proper divisors (274453367).

1112257993 is a wasteful number, since it uses less digits than its factorization.

1112257993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14444927.

The product of its digits is 34020, while the sum is 40.

The square root of 1112257993 is about 33350.5321246903. The cubic root of 1112257993 is about 1036.1004089783.

The spelling of 1112257993 in words is "one billion, one hundred twelve million, two hundred fifty-seven thousand, nine hundred ninety-three".

Divisors: 1 7 11 77 14444909 101114363 158893999 1112257993