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20231023300 = 22521959180473
BaseRepresentation
bin10010110101110111…
…001110101011000100
31221012221020110122021
4102311313032223010
5312413120221200
613143301012524
71314225601135
oct226567165304
957187213567
1020231023300
118641981274
123b073b4144
131ba5504907
14d9cc61c8c
157d61a241a
hex4b5dceac4

20231023300 has 72 divisors (see below), whose sum is σ = 46995429600. Its totient is φ = 7536510720.

The previous prime is 20231023291. The next prime is 20231023331. The reversal of 20231023300 is 332013202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21864 + ... + 202336.

It is an arithmetic number, because the mean of its divisors is an integer number (652714300).

Almost surely, 220231023300 is an apocalyptic number.

20231023300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20231023300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23497714800).

20231023300 is an abundant number, since it is smaller than the sum of its proper divisors (26764406300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231023300 is a wasteful number, since it uses less digits than its factorization.

20231023300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180565 (or 180558 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20231023300 its reverse (332013202), we get a palindrome (20563036502).

The spelling of 20231023300 in words is "twenty billion, two hundred thirty-one million, twenty-three thousand, three hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 59 76 95 100 118 190 236 295 380 475 590 950 1121 1180 1475 1900 2242 2950 4484 5605 5900 11210 22420 28025 56050 112100 180473 360946 721892 902365 1804730 3428987 3609460 4511825 6857974 9023650 10647907 13715948 17144935 18047300 21295814 34289870 42591628 53239535 68579740 85724675 106479070 171449350 202310233 212958140 266197675 342898700 404620466 532395350 809240932 1011551165 1064790700 2023102330 4046204660 5057755825 10115511650 20231023300