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301113111220 = 225731361151537
BaseRepresentation
bin1000110000110111011…
…11010111001010110100
31001210020002102221021121
410120123233113022310
514413134424024340
6350155054553324
730516602133505
oct4303357271264
91053202387247
10301113111220
11106779557229
124a436208844
13225196202bc
1410806cd4bac
157c7528494a
hex461bbd72b4

301113111220 has 48 divisors (see below), whose sum is σ = 641474901648. Its totient is φ = 118707240960.

The previous prime is 301113111217. The next prime is 301113111241. The reversal of 301113111220 is 22111311103.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6615870244 + 294497240976 = 81338^2 + 542676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 301113111194 and 301113111203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911292 + ... + 2062828.

It is an arithmetic number, because the mean of its divisors is an integer number (13364060451).

Almost surely, 2301113111220 is an apocalyptic number.

It is an amenable number.

301113111220 is an abundant number, since it is smaller than the sum of its proper divisors (340361790428).

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

301113111220 is a wasteful number, since it uses less digits than its factorization.

301113111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152980 (or 152978 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 301113111220 its reverse (22111311103), we get a palindrome (323224422323).

The spelling of 301113111220 in words is "three hundred one billion, one hundred thirteen million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1361 1460 2722 5444 6805 13610 27220 99353 151537 198706 303074 397412 496765 606148 757685 993530 1515370 1987060 3030740 11062201 22124402 44248804 55311005 110622010 206241857 221244020 412483714 824967428 1031209285 2062418570 4124837140 15055655561 30111311122 60222622244 75278277805 150556555610 301113111220