Search a number
-
+
121442024110 = 25119711381633
BaseRepresentation
bin111000100011010000…
…0100011101010101110
3102121110111121000200211
41301012200203222232
53442203124232420
6131442324013034
711526306113221
oct1610640435256
9377414530624
10121442024110
1147559947190
121b65283117a
13b5b4b8aa84
145c40a775b8
15325b89be5a
hex1c46823aae

121442024110 has 32 divisors (see below), whose sum is σ = 240926428512. Its totient is φ = 43705466880.

The previous prime is 121442024059. The next prime is 121442024131. The reversal of 121442024110 is 11420244121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5680147 + ... + 5701486.

It is an arithmetic number, because the mean of its divisors is an integer number (7528950891).

Almost surely, 2121442024110 is an apocalyptic number.

121442024110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121442024110 is a deficient number, since it is larger than the sum of its proper divisors (119484404402).

121442024110 is a wasteful number, since it uses less digits than its factorization.

121442024110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11381748.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 121442024110 its reverse (11420244121), we get a palindrome (132862268231).

The spelling of 121442024110 in words is "one hundred twenty-one billion, four hundred forty-two million, twenty-four thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 97 110 194 485 970 1067 2134 5335 10670 11381633 22763266 56908165 113816330 125197963 250395926 625989815 1104018401 1251979630 2208036802 5520092005 11040184010 12144202411 24288404822 60721012055 121442024110