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13010235205 = 511247676829
BaseRepresentation
bin11000001110111100…
…00110111101000101
31020120201001102112011
430013132012331011
5203121110011310
65550554254221
7640256113612
oct140736067505
936521042464
1013010235205
115576a36300
122631127371
1312c4546636
148b5c71509
155122c478a
hex307786f45

13010235205 has 48 divisors (see below), whose sum is σ = 17789909760. Its totient is φ = 9121115520.

The previous prime is 13010235197. The next prime is 13010235233. The reversal of 13010235205 is 50253201031.

It is not a de Polignac number, because 13010235205 - 23 = 13010235197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1901731 + ... + 1908559.

It is an arithmetic number, because the mean of its divisors is an integer number (370623120).

Almost surely, 213010235205 is an apocalyptic number.

It is an amenable number.

13010235205 is a deficient number, since it is larger than the sum of its proper divisors (4779674555).

13010235205 is a wasteful number, since it uses less digits than its factorization.

13010235205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6970 (or 6959 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 13010235205 its reverse (50253201031), we get a palindrome (63263436236).

The spelling of 13010235205 in words is "thirteen billion, ten million, two hundred thirty-five thousand, two hundred five".

Divisors: 1 5 11 47 55 67 121 235 335 517 605 737 2585 3149 3685 5687 6829 8107 15745 28435 34145 34639 40535 75119 173195 320963 375595 381029 457543 826309 1604815 1905145 2287715 3530593 4131545 5032973 17652965 21504521 25164865 38836523 55362703 107522605 194182615 236549731 276813515 1182748655 2602047041 13010235205