Search a number
-
+
131020443104234 = 24391375710847279
BaseRepresentation
bin11101110010100110010010…
…111110000011001111101010
3122011220102122221202000020112
4131302212102332003033222
5114133114331413313414
61142353543255054322
736411625502033465
oct3562462276031752
9564812587660215
10131020443104234
1138824504488992
12128407813713a2
135815236c7c6b8
14244d5cd6b22dc
151023220905d3e
hex772992f833ea

131020443104234 has 16 divisors (see below), whose sum is σ = 196992679276800. Its totient is φ = 65356238401584.

The previous prime is 131020443104209. The next prime is 131020443104263. The reversal of 131020443104234 is 432401344020131.

It is a super-2 number, since 2×1310204431042342 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131020443104234.

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, 6655007 + ... + 17502285.

It is an arithmetic number, because the mean of its divisors is an integer number (12312042454800).

Almost surely, 2131020443104234 is an apocalyptic number.

131020443104234 is a deficient number, since it is larger than the sum of its proper divisors (65972236172566).

131020443104234 is a wasteful number, since it uses less digits than its factorization.

131020443104234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10861477.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 131020443104234 its reverse (432401344020131), we get a palindrome (563421787124365).

The spelling of 131020443104234 in words is "one hundred thirty-one trillion, twenty billion, four hundred forty-three million, one hundred four thousand, two hundred thirty-four".

Divisors: 1 2 439 878 13757 27514 6039323 10847279 12078646 21694558 4761955481 9523910962 149226017203 298452034406 65510221552117 131020443104234