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20131140303 = 33788394583
BaseRepresentation
bin10010101111111010…
…001101001011001111
31220221222021212221000
4102233322031023033
5312212032442203
613125332111343
71311603604101
oct225772151317
956858255830
1020131140303
1185a055a73a
123a99a65553
131b8a902451
14d8d8a1571
157cc5224a3
hex4afe8d2cf

20131140303 has 16 divisors (see below), whose sum is σ = 29828010240. Its totient is φ = 13418915832.

The previous prime is 20131140283. The next prime is 20131140307. The reversal of 20131140303 is 30304113102.

It is not a de Polignac number, because 20131140303 - 217 = 20131009231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131140307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165550 + ... + 260132.

It is an arithmetic number, because the mean of its divisors is an integer number (1864250640).

Almost surely, 220131140303 is an apocalyptic number.

20131140303 is a deficient number, since it is larger than the sum of its proper divisors (9696869937).

20131140303 is an equidigital number, since it uses as much as digits as its factorization.

20131140303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102475 (or 102469 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20131140303 its reverse (30304113102), we get a palindrome (50435253405).

It can be divided in two parts, 2013 and 1140303, that added together give a triangular number (1142316 = T1511).

The spelling of 20131140303 in words is "twenty billion, one hundred thirty-one million, one hundred forty thousand, three hundred three".

Divisors: 1 3 9 27 7883 23649 70947 94583 212841 283749 851247 2553741 745597789 2236793367 6710380101 20131140303