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13021212300 = 2235243404041
BaseRepresentation
bin11000010000001111…
…11110111010001100
31020121110201010021020
430020013332322030
5203131412243200
65552025434140
7640451323035
oct141007767214
936543633236
1013021212300
115582153588
12263493b950
1312c68bab65
148b74cba8c
15513241ea0
hex3081fee8c

13021212300 has 36 divisors (see below), whose sum is σ = 37674708456. Its totient is φ = 3472323200.

The previous prime is 13021212299. The next prime is 13021212331. The reversal of 13021212300 is 321212031.

13021212300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13021212300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21701721 + ... + 21702320.

Almost surely, 213021212300 is an apocalyptic number.

13021212300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021212300 is an abundant number, since it is smaller than the sum of its proper divisors (24653496156).

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

13021212300 is a wasteful number, since it uses less digits than its factorization.

13021212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43404058 (or 43404051 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13021212300 its reverse (321212031), we get a palindrome (13342424331).

The spelling of 13021212300 in words is "thirteen billion, twenty-one million, two hundred twelve thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 43404041 86808082 130212123 173616164 217020205 260424246 434040410 520848492 651060615 868080820 1085101025 1302121230 2170202050 2604242460 3255303075 4340404100 6510606150 13021212300