Search a number
-
+
1115040101 = 71011577143
BaseRepresentation
bin100001001110110…
…0010100101100101
32212201010220110112
41002131202211211
54240422240401
6302351102405
736426453530
oct10235424545
92781126415
101115040101
1152245814a
12271511a05
1314a018656
14a8135a17
1567d573bb
hex42762965

1115040101 has 8 divisors (see below), whose sum is σ = 1286949504. Its totient is φ = 946285200.

The previous prime is 1115040097. The next prime is 1115040107. The reversal of 1115040101 is 1010405111.

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

It is not a de Polignac number, because 1115040101 - 22 = 1115040097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115040107) 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, 787865 + ... + 789278.

It is an arithmetic number, because the mean of its divisors is an integer number (160868688).

Almost surely, 21115040101 is an apocalyptic number.

It is an amenable number.

1115040101 is a deficient number, since it is larger than the sum of its proper divisors (171909403).

1115040101 is a wasteful number, since it uses less digits than its factorization.

1115040101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577251.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 1115040101 is about 33392.2161738331. The cubic root of 1115040101 is about 1036.9635609945.

Adding to 1115040101 its reverse (1010405111), we get a palindrome (2125445212).

The spelling of 1115040101 in words is "one billion, one hundred fifteen million, forty thousand, one hundred one".

Divisors: 1 7 101 707 1577143 11040001 159291443 1115040101