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23231020200 = 23352172277551
BaseRepresentation
bin10101101000101011…
…010011110010101000
32012222000021002201120
4111220223103302220
5340034120121300
614401105215240
71451454261603
oct255053236250
965860232646
1023231020200
11994133a353
124604031520
132262bb78cb
1411a546733a
1590e7453a0
hex568ad3ca8

23231020200 has 96 divisors (see below), whose sum is σ = 76252440960. Its totient is φ = 5830528000.

The previous prime is 23231020177. The next prime is 23231020243. The reversal of 23231020200 is 202013232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23231020200.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1128576 + ... + 1148975.

It is an arithmetic number, because the mean of its divisors is an integer number (794296260).

Almost surely, 223231020200 is an apocalyptic number.

23231020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23231020200 is an abundant number, since it is smaller than the sum of its proper divisors (53021420760).

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

23231020200 is a wasteful number, since it uses less digits than its factorization.

23231020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277587 (or 2277578 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 23231020200 its reverse (202013232), we get a palindrome (23433033432).

The spelling of 23231020200 in words is "twenty-three billion, two hundred thirty-one million, twenty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 17 20 24 25 30 34 40 50 51 60 68 75 85 100 102 120 136 150 170 200 204 255 300 340 408 425 510 600 680 850 1020 1275 1700 2040 2550 3400 5100 10200 2277551 4555102 6832653 9110204 11387755 13665306 18220408 22775510 27330612 34163265 38718367 45551020 54661224 56938775 68326530 77436734 91102040 113877550 116155101 136653060 154873468 170816325 193591835 227755100 232310202 273306120 309746936 341632650 387183670 455510200 464620404 580775505 683265300 774367340 929240808 967959175 1161551010 1366530600 1548734680 1935918350 2323102020 2903877525 3871836700 4646204040 5807755050 7743673400 11615510100 23231020200