Search a number
-
+
13133313020 = 225656665651
BaseRepresentation
bin11000011101100111…
…00111001111111100
31020220021122102112202
430032303213033330
5203344112004040
610011112251032
7643312214222
oct141663471774
936807572482
1013133313020
11562a45a503
1226663a0a78
131313baa449
148c834cb12
1551ced7015
hex30ece73fc

13133313020 has 12 divisors (see below), whose sum is σ = 27579957384. Its totient is φ = 5253325200.

The previous prime is 13133312989. The next prime is 13133313097. The reversal of 13133313020 is 2031333131.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 656665651 = 13133313020 / (1 + 3 + 1 + 3 + 3 + 3 + 1 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 13133312983 and 13133313001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328332806 + ... + 328332845.

It is an arithmetic number, because the mean of its divisors is an integer number (2298329782).

Almost surely, 213133313020 is an apocalyptic number.

13133313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13133313020 is an abundant number, since it is smaller than the sum of its proper divisors (14446644364).

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

13133313020 is a wasteful number, since it uses less digits than its factorization.

13133313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656665660 (or 656665658 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13133313020 its reverse (2031333131), we get a palindrome (15164646151).

The spelling of 13133313020 in words is "thirteen billion, one hundred thirty-three million, three hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 656665651 1313331302 2626662604 3283328255 6566656510 13133313020