Search a number
-
+
131402231201042 = 21719613334574207
BaseRepresentation
bin11101111000001001110111…
…010100000011110100010010
3122020020221010102101211200022
4131320021313110003310102
5114210343232141413132
61143245203543023442
736451332533231024
oct3570116724036422
9566227112354608
10131402231201042
113896141195591a
12128a277143ab82
13584223c4c6259
142463c8ac48014
15102d118539e12
hex778277503d12

131402231201042 has 32 divisors (see below), whose sum is σ = 223283088967680. Its totient is φ = 57621442279680.

The previous prime is 131402231201027. The next prime is 131402231201051. The reversal of 131402231201042 is 240102132204131.

It is a happy number.

It is a super-2 number, since 2×1314022312010422 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667247698 + ... + 1667326509.

It is an arithmetic number, because the mean of its divisors is an integer number (6977596530240).

Almost surely, 2131402231201042 is an apocalyptic number.

131402231201042 is a deficient number, since it is larger than the sum of its proper divisors (91880857766638).

131402231201042 is a wasteful number, since it uses less digits than its factorization.

131402231201042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334574306.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131402231201042 its reverse (240102132204131), we get a palindrome (371504363405173).

The spelling of 131402231201042 in words is "one hundred thirty-one trillion, four hundred two billion, two hundred thirty-one million, two hundred one thousand, forty-two".

Divisors: 1 2 17 19 34 38 61 122 323 646 1037 1159 2074 2318 19703 39406 3334574207 6669148414 56687761519 63356909933 113375523038 126713819866 203409026627 406818053254 1077067468861 2154134937722 3457953452659 3864771505913 6915906905318 7729543011826 65701115600521 131402231201042