Search a number
-
+
131043334511420 = 2256997936425143
BaseRepresentation
bin11101110010111011100111…
…011001110101101100111100
3122011222121202021221222111022
4131302323213121311230330
5114134003222113331140
61142412250553243312
736413365663552112
oct3562734731655474
9564877667858438
10131043334511420
1138833191047a21
12128450ab703538
1358174446a9b56
1424507619b3ab2
151023b104150b5
hex772ee7675b3c

131043334511420 has 24 divisors (see below), whose sum is σ = 275230332623904. Its totient is φ = 52409842347456.

The previous prime is 131043334511393. The next prime is 131043334511437. The reversal of 131043334511420 is 24115433340131.

It is a super-2 number, since 2×1310433345114202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468072632 + ... + 468352511.

It is an arithmetic number, because the mean of its divisors is an integer number (11467930525996).

Almost surely, 2131043334511420 is an apocalyptic number.

131043334511420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131043334511420 is an abundant number, since it is smaller than the sum of its proper divisors (144186998112484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131043334511420 is a wasteful number, since it uses less digits than its factorization.

131043334511420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936432149 (or 936432147 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 131043334511420 its reverse (24115433340131), we get a palindrome (155158767851551).

The spelling of 131043334511420 in words is "one hundred thirty-one trillion, forty-three billion, three hundred thirty-four million, five hundred eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 6997 13994 27988 34985 69970 139940 936425143 1872850286 3745700572 4682125715 9364251430 18728502860 6552166725571 13104333451142 26208666902284 32760833627855 65521667255710 131043334511420