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20313010003 = 1113737612557
BaseRepresentation
bin10010111010101111…
…111110111101010011
31221102122111211020211
4102322233332331103
5313100112310003
613155350144551
71316242510336
oct227257767523
957378454224
1020313010003
11868418a080
123b2a952157
131bb94ac360
14da9ac461d
157dd49996d
hex4babfef53

20313010003 has 32 divisors (see below), whose sum is σ = 24232404672. Its totient is φ = 16783718400.

The previous prime is 20313009989. The next prime is 20313010019. The reversal of 20313010003 is 30001031302.

It is a cyclic number.

It is not a de Polignac number, because 20313010003 - 29 = 20313009491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20313011003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7942801 + ... + 7945357.

It is an arithmetic number, because the mean of its divisors is an integer number (757262646).

Almost surely, 220313010003 is an apocalyptic number.

20313010003 is a deficient number, since it is larger than the sum of its proper divisors (3919394669).

20313010003 is a wasteful number, since it uses less digits than its factorization.

20313010003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 20313010003 its reverse (30001031302), we get a palindrome (50314041305).

The spelling of 20313010003 in words is "twenty billion, three hundred thirteen million, ten thousand, three".

Divisors: 1 11 13 73 143 761 803 949 2557 8371 9893 10439 28127 33241 55553 108823 186661 365651 611083 722189 1945877 2053271 2426593 7944079 21404647 25296401 26692523 142049021 278260411 1562539231 1846637273 20313010003