Search a number
-
+
142244313115 = 537832111611
BaseRepresentation
bin1000010001111001101…
…0111111100000011011
3111121011020202210120011
42010132122333200123
54312304021004430
6145202433142351
713163642466142
oct2043632774033
9447136683504
10142244313115
115536422a873
12236993ba9b7
131054b83a418
146c55722759
153a77c9322a
hex211e6bf81b

142244313115 has 24 divisors (see below), whose sum is σ = 177445668528. Its totient is φ = 109384943040.

The previous prime is 142244313097. The next prime is 142244313121. The reversal of 142244313115 is 511313442241.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-142244313115 is a prime.

It is a super-2 number, since 2×1422443131152 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1218660 + ... + 1330270.

It is an arithmetic number, because the mean of its divisors is an integer number (7393569522).

Almost surely, 2142244313115 is an apocalyptic number.

142244313115 is a deficient number, since it is larger than the sum of its proper divisors (35201355413).

142244313115 is an equidigital number, since it uses as much as digits as its factorization.

142244313115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111819 (or 111736 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

Adding to 142244313115 its reverse (511313442241), we get a palindrome (653557755356).

The spelling of 142244313115 in words is "one hundred forty-two billion, two hundred forty-four million, three hundred thirteen thousand, one hundred fifteen".

Divisors: 1 5 37 83 185 415 3071 6889 15355 34445 111611 254893 558055 1274465 4129607 9263713 20648035 46318565 342757381 768888179 1713786905 3844440895 28448862623 142244313115