Search a number
-
+
42220044440231 = 72313724122433541
BaseRepresentation
bin10011001100110000111101…
…10000000101001010100111
312112111012022111012121120012
421212120132300011022213
521013213122334041411
6225443342021200435
711615204026323050
oct1146303660051247
9175435274177505
1042220044440231
11124a8469459739
12489a63b56011b
131a73443ab5508
14a5d6651bd727
154d3390c6718b
hex26661ec052a7

42220044440231 has 64 divisors (see below), whose sum is σ = 50964420519936. Its totient is φ = 34195027046400.

The previous prime is 42220044440207. The next prime is 42220044440243. The reversal of 42220044440231 is 13204444002224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42220044440231 is a prime.

It is a super-2 number, since 2×422200444402312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42220044440201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11923196321 + ... + 11923199861.

It is an arithmetic number, because the mean of its divisors is an integer number (796319070624).

Almost surely, 242220044440231 is an apocalyptic number.

42220044440231 is a deficient number, since it is larger than the sum of its proper divisors (8744376079705).

42220044440231 is a wasteful number, since it uses less digits than its factorization.

42220044440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6192.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 42220044440231 its reverse (13204444002224), we get a palindrome (55424488442455).

The spelling of 42220044440231 in words is "forty-two trillion, two hundred twenty billion, forty-four million, four hundred forty thousand, two hundred thirty-one".

Divisors: 1 7 23 137 161 241 959 1687 2243 3151 3541 5543 15701 22057 24787 33017 38801 51589 81443 231119 307291 361123 485117 540563 570101 759391 853381 2151037 3395819 3783941 5315737 5973667 7067693 7942463 11157691 12432949 19627763 49473851 55597241 74057131 78103837 87030643 116913197 137394341 182676649 518399917 818392379 1088117431 1278736543 1703314013 1914133583 2689003531 7616822017 11923198091 13398935081 18823024717 25026700913 44025072409 175186906391 262236300871 308175506863 1835654106097 6031434920033 42220044440231