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13021211300 = 2252503258871
BaseRepresentation
bin11000010000001111…
…11110101010100100
31020121110201001220012
430020013332222210
5203131412230200
65552025425352
7640451320106
oct141007765244
936543631805
1013021211300
115582152859
12263493b258
1312c68ba576
148b74cb576
15513241a35
hex3081feaa4

13021211300 has 36 divisors (see below), whose sum is σ = 28312312896. Its totient is φ = 5198109600.

The previous prime is 13021211299. The next prime is 13021211311. The reversal of 13021211300 is 311212031.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79136 + ... + 179735.

It is an arithmetic number, because the mean of its divisors is an integer number (786453136).

Almost surely, 213021211300 is an apocalyptic number.

13021211300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021211300 is an abundant number, since it is smaller than the sum of its proper divisors (15291101596).

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

13021211300 is a wasteful number, since it uses less digits than its factorization.

13021211300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259388 (or 259381 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13021211300 its reverse (311212031), we get a palindrome (13332423331).

The spelling of 13021211300 in words is "thirteen billion, twenty-one million, two hundred eleven thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 503 1006 2012 2515 5030 10060 12575 25150 50300 258871 517742 1035484 1294355 2588710 5177420 6471775 12943550 25887100 130212113 260424226 520848452 651060565 1302121130 2604242260 3255302825 6510605650 13021211300