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20131233323330 = 2517791498974931
BaseRepresentation
bin1001001001111001010110…
…00000101101100101000010
32122021112020021010001211102
410210330223000231211002
510114312231212321310
6110452054431414402
74145301504614033
oct444745300554502
978245207101742
1020131233323330
116461676433248
122311699384402
13b304a084958c
144d84dd44ca8a
1524d9d61188a5
hex124f2b02d942

20131233323330 has 32 divisors (see below), whose sum is σ = 38853430237440. Its totient is φ = 7482882850560.

The previous prime is 20131233323309. The next prime is 20131233323363. The reversal of 20131233323330 is 3332333213102.

It is a junction number, because it is equal to n+sod(n) for n = 20131233323293 and 20131233323302.

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 15 ways as a sum of consecutive naturals, for example, 749474036 + ... + 749500895.

It is an arithmetic number, because the mean of its divisors is an integer number (1214169694920).

Almost surely, 220131233323330 is an apocalyptic number.

20131233323330 is a deficient number, since it is larger than the sum of its proper divisors (18722196914110).

20131233323330 is a wasteful number, since it uses less digits than its factorization.

20131233323330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498975034.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 20131233323330 its reverse (3332333213102), we get a palindrome (23463566536432).

The spelling of 20131233323330 in words is "twenty trillion, one hundred thirty-one billion, two hundred thirty-three million, three hundred twenty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 17 34 79 85 158 170 395 790 1343 2686 6715 13430 1498974931 2997949862 7494874655 14989749310 25482573827 50965147654 118419019549 127412869135 236838039098 254825738270 592095097745 1184190195490 2013123332333 4026246664666 10065616661665 20131233323330