Search a number
-
+
115113115 = 51319831123
BaseRepresentation
bin1101101110001…
…11110010011011
322000121100111201
412313013302123
5213432104430
615231135031
72565305515
oct667076233
9260540451
10115113115
1159a84207
1232674477
131ab05790
1411406bb5
15a18c8ca
hex6dc7c9b

115113115 has 32 divisors (see below), whose sum is σ = 158618880. Its totient is φ = 79491456.

The previous prime is 115113067. The next prime is 115113121. The reversal of 115113115 is 511311511.

It is a cyclic number.

It is not a de Polignac number, because 115113115 - 29 = 115112603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 115113092 and 115113101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101944 + ... + 103066.

It is an arithmetic number, because the mean of its divisors is an integer number (4956840).

Almost surely, 2115113115 is an apocalyptic number.

115113115 is a deficient number, since it is larger than the sum of its proper divisors (43505765).

115113115 is a wasteful number, since it uses less digits than its factorization.

115113115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its digits is 75, while the sum is 19.

The square root of 115113115 is about 10729.0780125787. The cubic root of 115113115 is about 486.4538019999.

Adding to 115113115 its reverse (511311511), we get a palindrome (626424626).

It can be divided in two parts, 11 and 5113115, that multiplied together give a palindrome (56244265).

The spelling of 115113115 in words is "one hundred fifteen million, one hundred thirteen thousand, one hundred fifteen".

Divisors: 1 5 13 19 65 83 95 247 415 1079 1123 1235 1577 5395 5615 7885 14599 20501 21337 72995 93209 102505 106685 277381 466045 1211717 1386905 1770971 6058585 8854855 23022623 115113115