Search a number
-
+
131022042103210 = 2513102204210321
BaseRepresentation
bin11101110010100111110010…
…010001101111110110101010
3122011220120210101112120110211
4131302213302101233312222
5114133131120234300320
61142354410055131334
736412013226224206
oct3562476221576652
9564816711476424
10131022042103210
1138825155036545
1212840b48973b4a
13581543032493b
14244d701bc5b06
1510232b5ea855a
hex7729f246fdaa

131022042103210 has 8 divisors (see below), whose sum is σ = 235839675785796. Its totient is φ = 52408816841280.

The previous prime is 131022042103207. The next prime is 131022042103217. The reversal of 131022042103210 is 12301240220131.

It can be written as a sum of positive squares in 2 ways, for example, as 121957589120481 + 9064452982729 = 11043441^2 + 3010723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131022042103217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6551102105151 + ... + 6551102105170.

Almost surely, 2131022042103210 is an apocalyptic number.

131022042103210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131022042103210 is a deficient number, since it is larger than the sum of its proper divisors (104817633682586).

131022042103210 is a wasteful number, since it uses less digits than its factorization.

131022042103210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13102204210328.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 131022042103210 its reverse (12301240220131), we get a palindrome (143323282323341).

The spelling of 131022042103210 in words is "one hundred thirty-one trillion, twenty-two billion, forty-two million, one hundred three thousand, two hundred ten".

Divisors: 1 2 5 10 13102204210321 26204408420642 65511021051605 131022042103210