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13021312000220 = 225798241336709
BaseRepresentation
bin1011110101111100001010…
…1011010010000011011100
31201002211021121210022110222
42331133002223102003130
53201320121333001340
643405524054420512
72512521151535666
oct275370253220334
951084247708428
1013021312000220
114170342182a17
12156374b061738
13735b9b110134
14330340673536
15178aaa6b38b5
hexbd7c2ad20dc

13021312000220 has 24 divisors (see below), whose sum is σ = 27690891345600. Its totient is φ = 5142594105792.

The previous prime is 13021312000199. The next prime is 13021312000243. The reversal of 13021312000220 is 2200021312031.

It is a super-3 number, since 3×130213120002203 (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4120666775 + ... + 4120669934.

It is an arithmetic number, because the mean of its divisors is an integer number (1153787139400).

Almost surely, 213021312000220 is an apocalyptic number.

13021312000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021312000220 is an abundant number, since it is smaller than the sum of its proper divisors (14669579345380).

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

13021312000220 is a wasteful number, since it uses less digits than its factorization.

13021312000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8241336797 (or 8241336795 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13021312000220 its reverse (2200021312031), we get a palindrome (15221333312251).

The spelling of 13021312000220 in words is "thirteen trillion, twenty-one billion, three hundred twelve million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 8241336709 16482673418 32965346836 41206683545 82413367090 164826734180 651065600011 1302131200022 2604262400044 3255328000055 6510656000110 13021312000220