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20232111400 = 2352175950621
BaseRepresentation
bin10010110101111011…
…011000010100101000
31221020000021202020021
4102311323120110220
5312413410031100
613143340210224
71314241052344
oct226573302450
957200252207
1020232111400
118642554826
123b07839974
131ba57c5c67
14d9d066624
157d6319a1a
hex4b5ed8528

20232111400 has 48 divisors (see below), whose sum is σ = 49806706140. Its totient is φ = 7616793600.

The previous prime is 20232111379. The next prime is 20232111407. The reversal of 20232111400 is 411123202.

It can be written as a sum of positive squares in 6 ways, for example, as 7896455044 + 12335656356 = 88862^2 + 111066^2 .

It is not an unprimeable number, because it can be changed into a prime (20232111407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2971911 + ... + 2978710.

Almost surely, 220232111400 is an apocalyptic number.

20232111400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20232111400 is an abundant number, since it is smaller than the sum of its proper divisors (29574594740).

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

20232111400 is a wasteful number, since it uses less digits than its factorization.

20232111400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950654 (or 5950645 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20232111400 its reverse (411123202), we get a palindrome (20643234602).

The spelling of 20232111400 in words is "twenty billion, two hundred thirty-two million, one hundred eleven thousand, four hundred".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 136 170 200 340 425 680 850 1700 3400 5950621 11901242 23802484 29753105 47604968 59506210 101160557 119012420 148765525 202321114 238024840 297531050 404642228 505802785 595062100 809284456 1011605570 1190124200 2023211140 2529013925 4046422280 5058027850 10116055700 20232111400