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302312132020 = 225231367480761
BaseRepresentation
bin1000110011000110011…
…01010000110110110100
31001220022122121111121101
410121203031100312310
514423113401211040
6350514050055444
730561401503123
oct4314315206664
91056278544541
10302312132020
11107234354308
124a70b87a584
132267ab60b72
14108bc24baba
157ce567a09a
hex4663350db4

302312132020 has 48 divisors (see below), whose sum is σ = 662943875328. Its totient is φ = 115582396160.

The previous prime is 302312132011. The next prime is 302312132021. The reversal of 302312132020 is 20231213203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302312132021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388440 + ... + 869200.

It is an arithmetic number, because the mean of its divisors is an integer number (13811330736).

Almost surely, 2302312132020 is an apocalyptic number.

It is an amenable number.

302312132020 is an abundant number, since it is smaller than the sum of its proper divisors (360631743308).

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

302312132020 is a wasteful number, since it uses less digits than its factorization.

302312132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482160 (or 482158 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 302312132020 its reverse (20231213203), we get a palindrome (322543345223).

The spelling of 302312132020 in words is "three hundred two billion, three hundred twelve million, one hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 1367 2734 5468 6835 13670 27340 31441 62882 125764 157205 314410 480761 628820 961522 1923044 2403805 4807610 9615220 11057503 22115006 44230012 55287515 110575030 221150060 657200287 1314400574 2628801148 3286001435 6572002870 13144005740 15115606601 30231213202 60462426404 75578033005 151156066010 302312132020