Search a number
-
+
115203353431 = 1934729126223
BaseRepresentation
bin110101101001010100…
…1111010101101010111
3102000100201102201101211
41223102221322231113
53341414024302211
6124531303402251
711215563230035
oct1532251725527
9360321381354
10115203353431
1144948320601
121a3b1453387
13ab2c51826a
14580c29b555
152ee3d1be21
hex1ad2a7ab57

115203353431 has 8 divisors (see below), whose sum is σ = 115825666880. Its totient is φ = 114581302272.

The previous prime is 115203353411. The next prime is 115203353437. The reversal of 115203353431 is 134353302511.

It is a happy number.

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

It is not a de Polignac number, because 115203353431 - 233 = 106613418839 is a prime.

It is a super-2 number, since 2×1152033534312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115203353393 and 115203353402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115203353437) 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, 849586 + ... + 975808.

It is an arithmetic number, because the mean of its divisors is an integer number (14478208360).

Almost surely, 2115203353431 is an apocalyptic number.

115203353431 is a deficient number, since it is larger than the sum of its proper divisors (622313449).

115203353431 is a wasteful number, since it uses less digits than its factorization.

115203353431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131145.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 115203353431 its reverse (134353302511), we get a palindrome (249556655942).

The spelling of 115203353431 in words is "one hundred fifteen billion, two hundred three million, three hundred fifty-three thousand, four hundred thirty-one".

Divisors: 1 193 4729 126223 912697 24361039 596908567 115203353431