Search a number
-
+
1013153431 = 6715121693
BaseRepresentation
bin111100011000110…
…111111010010111
32121121102112020011
4330120313322113
54033331402211
6244311221051
734051443043
oct7430677227
92547375204
101013153431
1147a998194
12243377787
13131b94194
14987b3023
155de2d921
hex3c637e97

1013153431 has 4 divisors (see below), whose sum is σ = 1028275192. Its totient is φ = 998031672.

The previous prime is 1013153413. The next prime is 1013153441. The reversal of 1013153431 is 1343513101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1343513101 = 7191930443.

It is a cyclic number.

It is not a de Polignac number, because 1013153431 - 215 = 1013120663 is a prime.

It is a super-2 number, since 2×10131534312 = 2052959749494143522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013153411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7560780 + ... + 7560913.

It is an arithmetic number, because the mean of its divisors is an integer number (257068798).

Almost surely, 21013153431 is an apocalyptic number.

1013153431 is a deficient number, since it is larger than the sum of its proper divisors (15121761).

1013153431 is an equidigital number, since it uses as much as digits as its factorization.

1013153431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15121760.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1013153431 is about 31830.0711749126. The cubic root of 1013153431 is about 1004.3653926174.

Adding to 1013153431 its reverse (1343513101), we get a palindrome (2356666532).

The spelling of 1013153431 in words is "one billion, thirteen million, one hundred fifty-three thousand, four hundred thirty-one".

Divisors: 1 67 15121693 1013153431