Search a number
-
+
10131113120202 = 232562839617789
BaseRepresentation
bin1001001101101101010101…
…1001100001000111001010
31022212112011200200212022100
42103123111121201013022
52311442004424321302
633314100310134230
72063643266441124
oct223332531410712
938775150625270
1010131113120202
1132566432698a8
121177589351376
1358648a825859
142704c4390214
1512880087ed1c
hex936d56611ca

10131113120202 has 12 divisors (see below), whose sum is σ = 21950745093810. Its totient is φ = 3377037706728.

The previous prime is 10131113120189. The next prime is 10131113120231. The reversal of 10131113120202 is 20202131113101.

10131113120202 is a `hidden beast` number, since 1 + 0 + 1 + 311 + 131 + 20 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5285175700401 + 4845937419801 = 2298951^2 + 2201349^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 562839617789 = 10131113120202 / (1 + 0 + 1 + 3 + 1 + 1 + 1 + 3 + 1 + 2 + 0 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281419808877 + ... + 281419808912.

Almost surely, 210131113120202 is an apocalyptic number.

10131113120202 is an abundant number, since it is smaller than the sum of its proper divisors (11819631973608).

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

10131113120202 is a wasteful number, since it uses less digits than its factorization.

10131113120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562839617797 (or 562839617794 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10131113120202 its reverse (20202131113101), we get a palindrome (30333244233303).

The spelling of 10131113120202 in words is "ten trillion, one hundred thirty-one billion, one hundred thirteen million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 9 18 562839617789 1125679235578 1688518853367 3377037706734 5065556560101 10131113120202