Search a number
-
+
131213004421124 = 22177473432581951
BaseRepresentation
bin11101110101011001101000…
…100001001011100000000100
3122012120211200212211102212002
4131311121220201023200010
5114144243213112433444
61143022231100244432
736431553366154643
oct3565315041134004
9565524625742762
10131213004421124
113889913930939a
1212871b61840718
13582a44412c022
142458a5988335a
151028240caad4e
hex77566884b804

131213004421124 has 24 divisors (see below), whose sum is σ = 243130398271488. Its totient is φ = 61747189660800.

The previous prime is 131213004421027. The next prime is 131213004421127. The reversal of 131213004421124 is 421124400312131.

It is not an unprimeable number, because it can be changed into a prime (131213004421127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49528349 + ... + 52110299.

It is an arithmetic number, because the mean of its divisors is an integer number (10130433261312).

Almost surely, 2131213004421124 is an apocalyptic number.

It is an amenable number.

131213004421124 is a deficient number, since it is larger than the sum of its proper divisors (111917393850364).

131213004421124 is a wasteful number, since it uses less digits than its factorization.

131213004421124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329315 (or 3329313 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 131213004421124 its reverse (421124400312131), we get a palindrome (552337404733255).

The spelling of 131213004421124 in words is "one hundred thirty-one trillion, two hundred thirteen billion, four million, four hundred twenty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 17 34 68 747343 1494686 2581951 2989372 5163902 10327804 12704831 25409662 43893167 50819324 87786334 175572668 1929603006193 3859206012386 7718412024772 32803251105281 65606502210562 131213004421124