Search a number
-
+
131022242101210 = 2597135074476393
BaseRepresentation
bin11101110010100111111110…
…001100101011011111011010
3122011220121022022212112011011
4131302213332030223133122
5114133132022434214320
61142354442001524134
736412021205202565
oct3562477614533732
9564817268775134
10131022242101210
1138825247a17a49
1212840ba394364a
1358154628ab055
14244d7205a74dc
1510232c881205a
hex7729fe32b7da

131022242101210 has 16 divisors (see below), whose sum is σ = 238271376359016. Its totient is φ = 51868598934528.

The previous prime is 131022242101181. The next prime is 131022242101277. The reversal of 131022242101210 is 12101242220131.

It can be written as a sum of positive squares in 4 ways, for example, as 72639943730649 + 58382298370561 = 8522907^2 + 7640831^2 .

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, 67537237227 + ... + 67537239166.

Almost surely, 2131022242101210 is an apocalyptic number.

131022242101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131022242101210 is a deficient number, since it is larger than the sum of its proper divisors (107249134257806).

131022242101210 is a wasteful number, since it uses less digits than its factorization.

131022242101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135074476497.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 131022242101210 its reverse (12101242220131), we get a palindrome (143123484321341).

The spelling of 131022242101210 in words is "one hundred thirty-one trillion, twenty-two billion, two hundred forty-two million, one hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 97 194 485 970 135074476393 270148952786 675372381965 1350744763930 13102224210121 26204448420242 65511121050605 131022242101210