Search a number
-
+
13023203044 = 2231346730293
BaseRepresentation
bin11000010000011111…
…00100111011100100
31020121121110021001111
430020033210323210
5203132414444134
65552140234404
7640504253665
oct141017447344
936547407044
1013023203044
115583293225
12263553ba04
1312c7137007
148b788936c
155134d6c64
hex3083e4ee4

13023203044 has 24 divisors (see below), whose sum is σ = 23533348608. Its totient is φ = 6299524320.

The previous prime is 13023203033. The next prime is 13023203047. The reversal of 13023203044 is 44030232031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13023203047) 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, 414762 + ... + 445054.

It is an arithmetic number, because the mean of its divisors is an integer number (980556192).

Almost surely, 213023203044 is an apocalyptic number.

It is an amenable number.

13023203044 is a deficient number, since it is larger than the sum of its proper divisors (10510145564).

13023203044 is a wasteful number, since it uses less digits than its factorization.

13023203044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33795 (or 33793 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 13023203044 its reverse (44030232031), we get a palindrome (57053435075).

The spelling of 13023203044 in words is "thirteen billion, twenty-three million, two hundred three thousand, forty-four".

Divisors: 1 2 4 31 62 124 3467 6934 13868 30293 60586 107477 121172 214954 429908 939083 1878166 3756332 105025831 210051662 420103324 3255800761 6511601522 13023203044