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20303042214 = 2371337185059
BaseRepresentation
bin10010111010001001…
…111101011010100110
31221101221202102000110
4102322021331122212
5313040034322324
613154352353450
71316062003620
oct227211753246
957357672013
1020303042214
1186795a1134
123b27545886
131bb73cc360
14da864bc10
157dc67b329
hex4ba27d6a6

20303042214 has 32 divisors (see below), whose sum is σ = 49976720640. Its totient is φ = 5354648352.

The previous prime is 20303042171. The next prime is 20303042231. The reversal of 20303042214 is 41224030302.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 18591984 + ... + 18593075.

It is an arithmetic number, because the mean of its divisors is an integer number (1561772520).

Almost surely, 220303042214 is an apocalyptic number.

20303042214 is an abundant number, since it is smaller than the sum of its proper divisors (29673678426).

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

20303042214 is a wasteful number, since it uses less digits than its factorization.

20303042214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37185084.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20303042214 its reverse (41224030302), we get a palindrome (61527072516).

The spelling of 20303042214 in words is "twenty billion, three hundred three million, forty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 37185059 74370118 111555177 223110354 260295413 483405767 520590826 780886239 966811534 1450217301 1561772478 2900434602 3383840369 6767680738 10151521107 20303042214