Search a number
-
+
13133444044 = 2271727591269
BaseRepresentation
bin11000011101101000…
…00111001111001100
31020220021220002021111
430032310013033030
5203344130202134
610011115141404
7643313301220
oct141664071714
936807802244
1013133444044
11562a539996
122666444864
131313c24c86
148c8384780
1551d010c64
hex30ed073cc

13133444044 has 24 divisors (see below), whose sum is σ = 27812000160. Its totient is φ = 5297523456.

The previous prime is 13133444029. The next prime is 13133444047. The reversal of 13133444044 is 44044433131.

It is a happy number.

13133444044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13133443997 and 13133444015.

It is not an unprimeable number, because it can be changed into a prime (13133444047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13795159 + ... + 13796110.

It is an arithmetic number, because the mean of its divisors is an integer number (1158833340).

Almost surely, 213133444044 is an apocalyptic number.

13133444044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13133444044 is an abundant number, since it is smaller than the sum of its proper divisors (14678556116).

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

13133444044 is a wasteful number, since it uses less digits than its factorization.

13133444044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27591297 (or 27591295 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 13133444044 its reverse (44044433131), we get a palindrome (57177877175).

The spelling of 13133444044 in words is "thirteen billion, one hundred thirty-three million, four hundred forty-four thousand, forty-four".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 27591269 55182538 110365076 193138883 386277766 469051573 772555532 938103146 1876206292 3283361011 6566722022 13133444044