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23033021000 = 2353114151071
BaseRepresentation
bin10101011100111000…
…000000001001001000
32012110012200200212212
4111130320000021020
5334132423133000
614325313324252
71443531306503
oct253470001110
965405620785
1023033021000
11984a5a3650
124569866688
132230b81212
14118704613a
158ec183c35
hex55ce00248

23033021000 has 128 divisors (see below), whose sum is σ = 60232273920. Its totient is φ = 8171200000.

The previous prime is 23033020999. The next prime is 23033021023. The reversal of 23033021000 is 12033032.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425465 + ... + 476535.

It is an arithmetic number, because the mean of its divisors is an integer number (470564640).

Almost surely, 223033021000 is an apocalyptic number.

23033021000 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 23033021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30116136960).

23033021000 is an abundant number, since it is smaller than the sum of its proper divisors (37199252920).

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

23033021000 is a wasteful number, since it uses less digits than its factorization.

23033021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51144 (or 51130 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 23033021000 its reverse (12033032), we get a palindrome (23045054032).

The spelling of 23033021000 in words is "twenty-three billion, thirty-three million, twenty-one thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 41 44 50 55 82 88 100 110 125 164 200 205 220 250 275 328 410 440 451 500 550 820 902 1000 1025 1100 1375 1640 1804 2050 2200 2255 2750 3608 4100 4510 5125 5500 8200 9020 10250 11000 11275 18040 20500 22550 41000 45100 51071 56375 90200 102142 112750 204284 225500 255355 408568 451000 510710 561781 1021420 1123562 1276775 2042840 2093911 2247124 2553550 2808905 4187822 4494248 5107100 5617810 6383875 8375644 10214200 10469555 11235620 12767750 14044525 16751288 20939110 22471240 23033021 25535500 28089050 41878220 46066042 51071000 52347775 56178100 70222625 83756440 92132084 104695550 112356200 115165105 140445250 184264168 209391100 230330210 261738875 280890500 418782200 460660420 523477750 561781000 575825525 921320840 1046955500 1151651050 2093911000 2303302100 2879127625 4606604200 5758255250 11516510500 23033021000