Search a number
-
+
1153013131 = 22727118743
BaseRepresentation
bin100010010111001…
…1001010110001011
32222100121010200001
41010232121112023
54330132410011
6310225023431
740400310214
oct10456312613
92870533601
101153013131
11541933916
12282184b77
13154b526ba
14ad1bc40b
156b3587c1
hex44b9958b

1153013131 has 8 divisors (see below), whose sum is σ = 1162427904. Its totient is φ = 1143636840.

The previous prime is 1153013123. The next prime is 1153013149. The reversal of 1153013131 is 1313103511.

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

It is a cyclic number.

It is not a de Polignac number, because 1153013131 - 23 = 1153013123 is a prime.

It is a super-2 number, since 2×11530131312 = 2658878560516846322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1153013099 and 1153013108.

It is not an unprimeable number, because it can be changed into a prime (1153013171) 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, 52146 + ... + 70888.

It is an arithmetic number, because the mean of its divisors is an integer number (145303488).

Almost surely, 21153013131 is an apocalyptic number.

1153013131 is a deficient number, since it is larger than the sum of its proper divisors (9414773).

1153013131 is a wasteful number, since it uses less digits than its factorization.

1153013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19241.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 1153013131 is about 33956.0470461448. The cubic root of 1153013131 is about 1048.6037771705.

Adding to 1153013131 its reverse (1313103511), we get a palindrome (2466116642).

The spelling of 1153013131 in words is "one billion, one hundred fifty-three million, thirteen thousand, one hundred thirty-one".

Divisors: 1 227 271 18743 61517 4254661 5079353 1153013131