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20243102303 = 1943149179929
BaseRepresentation
bin10010110110100101…
…010011101001011111
31221020202222010220202
4102312211103221133
5312424213233203
613144411534115
71314433346654
oct226645235137
957222863822
1020243102303
118648781416
123b0b45a33b
131ba7b73858
14da06c7c2b
157d728b388
hex4b6953a5f

20243102303 has 32 divisors (see below), whose sum is σ = 22096800000. Its totient is φ = 18482107392.

The previous prime is 20243102273. The next prime is 20243102333. The reversal of 20243102303 is 30320134202.

It is an interprime number because it is at equal distance from previous prime (20243102273) and next prime (20243102333).

It is a cyclic number.

It is not a de Polignac number, because 20243102303 - 26 = 20243102239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243102333) 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, 21789743 + ... + 21790671.

It is an arithmetic number, because the mean of its divisors is an integer number (690525000).

Almost surely, 220243102303 is an apocalyptic number.

20243102303 is a deficient number, since it is larger than the sum of its proper divisors (1853697697).

20243102303 is a wasteful number, since it uses less digits than its factorization.

20243102303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20243102303 its reverse (30320134202), we get a palindrome (50563236505).

The spelling of 20243102303 in words is "twenty billion, two hundred forty-three million, one hundred two thousand, three hundred three".

Divisors: 1 19 43 149 179 817 929 2831 3401 6407 7697 17651 26671 39947 121733 138421 146243 166291 506749 758993 1146853 2629999 3159529 5952103 7150513 21790207 24777359 113089957 135859747 470769821 1065426437 20243102303