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302113220220 = 223257239772397
BaseRepresentation
bin1000110010101110101…
…10011110011001111100
31001212210210022201220200
410121113112132121330
514422211441021340
6350442222443500
730553435000260
oct4312726363174
91055723281820
10302113220220
11107142044999
124a675133590
1322648897c86
141089da700a0
157cd2e88330
hex465759e67c

302113220220 has 72 divisors (see below), whose sum is σ = 1047325834464. Its totient is φ = 69054450048.

The previous prime is 302113220119. The next prime is 302113220243. The reversal of 302113220220 is 22022311203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 302113220193 and 302113220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119884939 + ... + 119887458.

Almost surely, 2302113220220 is an apocalyptic number.

302113220220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

302113220220 is an abundant number, since it is smaller than the sum of its proper divisors (745212614244).

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

302113220220 is a wasteful number, since it uses less digits than its factorization.

302113220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239772419 (or 239772414 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 302113220220 its reverse (22022311203), we get a palindrome (324135531423).

The spelling of 302113220220 in words is "three hundred two billion, one hundred thirteen million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 239772397 479544794 719317191 959089588 1198861985 1438634382 1678406779 2157951573 2397723970 2877268764 3356813558 3596585955 4315903146 4795447940 5035220337 6713627116 7193171910 8392033895 8631806292 10070440674 10789757865 14386343820 15105661011 16784067790 20140881348 21579515730 25176101685 30211322022 33568135580 43159031460 50352203370 60422644044 75528305055 100704406740 151056610110 302113220220