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305252302020 = 223510150371667
BaseRepresentation
bin1000111000100100111…
…01000111110011000100
31002011220120001121121120
410130102131013303010
520000124042131040
6352121520113540
731024302520251
oct4342235076304
91064816047546
10305252302020
11108502a6a576
124b1b04658b0
1322a29027923
1410aba91c428
157e188517d0
hex4712747cc4

305252302020 has 48 divisors (see below), whose sum is σ = 863168902848. Its totient is φ = 80594665600.

The previous prime is 305252302009. The next prime is 305252302031. The reversal of 305252302020 is 20203252503.

It is an interprime number because it is at equal distance from previous prime (305252302009) and next prime (305252302031).

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, 25179774 + ... + 25191893.

It is an arithmetic number, because the mean of its divisors is an integer number (17982685476).

Almost surely, 2305252302020 is an apocalyptic number.

305252302020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

305252302020 is an abundant number, since it is smaller than the sum of its proper divisors (557916600828).

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

305252302020 is a wasteful number, since it uses less digits than its factorization.

305252302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50371780 (or 50371778 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

Adding to 305252302020 its reverse (20203252503), we get a palindrome (325455554523).

The spelling of 305252302020 in words is "three hundred five billion, two hundred fifty-two million, three hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 101 202 303 404 505 606 1010 1212 1515 2020 3030 6060 50371667 100743334 151115001 201486668 251858335 302230002 503716670 604460004 755575005 1007433340 1511150010 3022300020 5087538367 10175076734 15262615101 20350153468 25437691835 30525230202 50875383670 61050460404 76313075505 101750767340 152626151010 305252302020