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30302311233020 = 225172318313211597
BaseRepresentation
bin1101110001111010011100…
…11111110011010111111100
310222021212120011121120220012
412320331032133303113330
512432433113133424040
6144240404542042352
76245161343436341
oct670751637632774
9128255504546805
1030302311233020
119723157790992
12349495a8793b8
1313ba65a046b58
1476a8d54427c8
15378375327865
hex1b8f4e7f35fc

30302311233020 has 96 divisors (see below), whose sum is σ = 70311733527168. Its totient is φ = 10911284600832.

The previous prime is 30302311233017. The next prime is 30302311233059. The reversal of 30302311233020 is 2033211320303.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 143101862 + ... + 143313458.

It is an arithmetic number, because the mean of its divisors is an integer number (732413890908).

Almost surely, 230302311233020 is an apocalyptic number.

It is an amenable number.

30302311233020 is an abundant number, since it is smaller than the sum of its proper divisors (40009422294148).

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

30302311233020 is a wasteful number, since it uses less digits than its factorization.

30302311233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229959 (or 229957 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30302311233020 its reverse (2033211320303), we get a palindrome (32335522553323).

The spelling of 30302311233020 in words is "thirty trillion, three hundred two billion, three hundred eleven million, two hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 17 20 23 34 46 68 85 92 115 170 230 340 391 460 782 1564 1955 3910 7820 18313 36626 73252 91565 183130 211597 311321 366260 421199 423194 622642 842398 846388 1057985 1245284 1556605 1684796 2105995 2115970 3113210 3597149 4211990 4231940 4866731 6226420 7160383 7194298 8423980 9733462 14320766 14388596 17985745 19466924 24333655 28641532 35801915 35971490 48667310 71603830 71942980 82734427 97334620 143207660 165468854 330937708 413672135 827344270 1654688540 3874975861 7749951722 15499903444 19374879305 38749758610 65874589637 77499517220 89124444803 131749179274 178248889606 263498358548 329372948185 356497779212 445622224015 658745896370 891244448030 1317491792740 1515115561651 1782488896060 3030231123302 6060462246604 7575577808255 15151155616510 30302311233020