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233203113220 = 225711532857181
BaseRepresentation
bin1101100100101111111…
…1010001110100000100
3211021221022210121011111
43121023333101310010
512310044444110340
6255044304014404
722563663520240
oct3311377216404
9737838717144
10233203113220
118a9a0094640
1239243301404
1318cb61a2b2c
14b403ac5420
1560ed3b3aea
hex364bfd1d04

233203113220 has 96 divisors (see below), whose sum is σ = 622088522496. Its totient is φ = 71315212800.

The previous prime is 233203113161. The next prime is 233203113223. The reversal of 233203113220 is 22311302332.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 233203113191 and 233203113200.

It is not an unprimeable number, because it can be changed into a prime (233203113223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1346971 + ... + 1510210.

It is an arithmetic number, because the mean of its divisors is an integer number (6480088776).

Almost surely, 2233203113220 is an apocalyptic number.

233203113220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233203113220 is an abundant number, since it is smaller than the sum of its proper divisors (388885409276).

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

233203113220 is a wasteful number, since it uses less digits than its factorization.

233203113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857261 (or 2857259 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 233203113220 its reverse (22311302332), we get a palindrome (255514415552).

The spelling of 233203113220 in words is "two hundred thirty-three billion, two hundred three million, one hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 53 55 70 77 106 110 140 154 212 220 265 308 371 385 530 583 742 770 1060 1166 1484 1540 1855 2332 2915 3710 4081 5830 7420 8162 11660 16324 20405 40810 81620 2857181 5714362 11428724 14285905 20000267 28571810 31428991 40000534 57143620 62857982 80001068 100001335 125715964 151430593 157144955 200002670 220002937 302861186 314289910 400005340 440005874 605722372 628579820 757152965 880011748 1060014151 1100014685 1514305930 1665736523 2120028302 2200029370 3028611860 3331473046 4240056604 4400058740 5300070755 6662946092 8328682615 10600141510 11660155661 16657365230 21200283020 23320311322 33314730460 46640622644 58300778305 116601556610 233203113220