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20303111213230 = 2510987184792129
BaseRepresentation
bin1001001110111001011111…
…01110110101000010101110
32122212221212201200112121111
410213130233232311002232
510130121232432310410
6111103042011222234
74163565010563616
oct447345756650256
978787781615544
1020303111213230
116518556a8493a
12233aa66a4797a
13b43762865501
14502966675a46
152531e5755b8a
hex12772fbb50ae

20303111213230 has 16 divisors (see below), whose sum is σ = 36548926639920. Its totient is φ = 8120505272832.

The previous prime is 20303111213219. The next prime is 20303111213237. The reversal of 20303111213230 is 3231211130302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303111213237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92286195 + ... + 92505934.

It is an arithmetic number, because the mean of its divisors is an integer number (2284307914995).

Almost surely, 220303111213230 is an apocalyptic number.

20303111213230 is a deficient number, since it is larger than the sum of its proper divisors (16245815426690).

20303111213230 is a wasteful number, since it uses less digits than its factorization.

20303111213230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184803123.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20303111213230 its reverse (3231211130302), we get a palindrome (23534322343532).

The spelling of 20303111213230 in words is "twenty trillion, three hundred three billion, one hundred eleven million, two hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 10987 21974 54935 109870 184792129 369584258 923960645 1847921290 2030311121323 4060622242646 10151555606615 20303111213230