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20003100143 = 131918056021
BaseRepresentation
bin10010101000010001…
…110001010111101111
31220122001100202211212
4102220101301113233
5311431243201033
613104515505035
71305460355135
oct225021612757
956561322755
1020003100143
118535257224
123a62bb817b
131b6a221a40
14d7a891755
157c117e748
hex4a84715ef

20003100143 has 8 divisors (see below), whose sum is σ = 21654587136. Its totient is φ = 18367725600.

The previous prime is 20003100137. The next prime is 20003100149. The reversal of 20003100143 is 34100130002.

It is an interprime number because it is at equal distance from previous prime (20003100137) and next prime (20003100149).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20003100143 - 210 = 20003099119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003100149) 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, 4025528 + ... + 4030493.

It is an arithmetic number, because the mean of its divisors is an integer number (2706823392).

Almost surely, 220003100143 is an apocalyptic number.

20003100143 is a deficient number, since it is larger than the sum of its proper divisors (1651486993).

20003100143 is a wasteful number, since it uses less digits than its factorization.

20003100143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056225.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20003100143 its reverse (34100130002), we get a palindrome (54103230145).

The spelling of 20003100143 in words is "twenty billion, three million, one hundred thousand, one hundred forty-three".

Divisors: 1 13 191 2483 8056021 104728273 1538700011 20003100143