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23289812100 = 22325250872
BaseRepresentation
bin10101101100001011…
…100101010010000100
32020010002220001001100
4111230023211102010
5340144142441400
614411005300100
71453100064552
oct255413452204
966102801040
1023289812100
1199715455a5
12461b864630
132272130a09
1411ad1acbd2
159149aa100
hex56c2e5484

23289812100 has 81 divisors (see below), whose sum is σ = 73014975397. Its totient is φ = 6209395680.

The previous prime is 23289812089. The next prime is 23289812111. The reversal of 23289812100 is 121898232.

The square root of 23289812100 is 152610.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (23289812089) and next prime (23289812111).

It can be written as a sum of positive squares in only one way, i.e., 8384332356 + 14905479744 = 91566^2 + 122088^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4575757 + ... + 4580843.

Almost surely, 223289812100 is an apocalyptic number.

23289812100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

23289812100 is the 152610-th square number.

It is an amenable number.

23289812100 is an abundant number, since it is smaller than the sum of its proper divisors (49725163297).

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

23289812100 is an equidigital number, since it uses as much as digits as its factorization.

23289812100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194 (or 5097 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

Multiplying 23289812100 by its sum of digits (36), we get a square (838433235600 = 9156602).

23289812100 divided by its sum of digits (36) gives a square (646939225 = 254352).

The spelling of 23289812100 in words is "twenty-three billion, two hundred eighty-nine million, eight hundred twelve thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 5087 10174 15261 20348 25435 30522 45783 50870 61044 76305 91566 101740 127175 152610 183132 228915 254350 305220 381525 457830 508700 763050 915660 1144575 1526100 2289150 4578300 25877569 51755138 77632707 103510276 129387845 155265414 232898121 258775690 310530828 388163535 465796242 517551380 646939225 776327070 931592484 1164490605 1293878450 1552654140 1940817675 2328981210 2587756900 3881635350 4657962420 5822453025 7763270700 11644906050 23289812100