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13010103020 = 225650505151
BaseRepresentation
bin11000001110111011…
…00110101011101100
31020120200210201012102
430013131212223230
5203121041244040
65550551354232
7640255023335
oct140735465354
936520721172
1013010103020
115576955a62
122631082978
1312c44cb415
148b5c3928c
1551229a515
hex307766aec

13010103020 has 12 divisors (see below), whose sum is σ = 27321216384. Its totient is φ = 5204041200.

The previous prime is 13010103017. The next prime is 13010103083. The reversal of 13010103020 is 2030101031.

It is a junction number, because it is equal to n+sod(n) for n = 13010102992 and 13010103010.

It is an unprimeable number.

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, 325252556 + ... + 325252595.

It is an arithmetic number, because the mean of its divisors is an integer number (2276768032).

Almost surely, 213010103020 is an apocalyptic number.

13010103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13010103020 is an abundant number, since it is smaller than the sum of its proper divisors (14311113364).

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

13010103020 is a wasteful number, since it uses less digits than its factorization.

13010103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650505160 (or 650505158 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 13010103020 its reverse (2030101031), we get a palindrome (15040204051).

The spelling of 13010103020 in words is "thirteen billion, ten million, one hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 650505151 1301010302 2602020604 3252525755 6505051510 13010103020