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203312233020 = 2235131422118329
BaseRepresentation
bin1011110101011001011…
…0100111101000111100
3201102210011211120000110
42331112112213220330
511312340412424040
6233222250430020
720455160316021
oct2752626475074
9642704746013
10203312233020
1179251500966
12334a0a32310
13162315c5580
149ba9d63548
15544e141980
hex2f565a7a3c

203312233020 has 96 divisors (see below), whose sum is σ = 613141139520. Its totient is φ = 50039838720.

The previous prime is 203312233001. The next prime is 203312233063. The reversal of 203312233020 is 20332213302.

It is a congruent number.

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, 11083216 + ... + 11101544.

It is an arithmetic number, because the mean of its divisors is an integer number (6386886870).

Almost surely, 2203312233020 is an apocalyptic number.

203312233020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203312233020 is an abundant number, since it is smaller than the sum of its proper divisors (409828906500).

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

203312233020 is a wasteful number, since it uses less digits than its factorization.

203312233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32575 (or 32573 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 203312233020 its reverse (20332213302), we get a palindrome (223644446322).

The spelling of 203312233020 in words is "two hundred three billion, three hundred twelve million, two hundred thirty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 14221 18329 28442 36658 42663 54987 56884 71105 73316 85326 91645 109974 142210 170652 183290 184873 213315 219948 238277 274935 284420 366580 369746 426630 476554 549870 554619 714831 739492 853260 924365 953108 1099740 1109238 1191385 1429662 1848730 2218476 2382770 2773095 2859324 3574155 3697460 4765540 5546190 7148310 11092380 14296620 260656709 521313418 781970127 1042626836 1303283545 1563940254 2606567090 3127880508 3388537217 3909850635 5213134180 6777074434 7819701270 10165611651 13554148868 15639402540 16942686085 20331223302 33885372170 40662446604 50828058255 67770744340 101656116510 203312233020