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305315133230 = 25233134241077
BaseRepresentation
bin1000111000101100011…
…00110011011100101110
31002012001221021202211102
410130112030303130232
520000241133230410
6352132042523102
731025664545522
oct4342614633456
91065057252742
10305315133230
11108535484598
124b209506492
1322a39056463
1410ac4dd5d82
157e1e1132a5
hex471633372e

305315133230 has 32 divisors (see below), whose sum is σ = 575293748544. Its totient is φ = 116442982656.

The previous prime is 305315133197. The next prime is 305315133271. The reversal of 305315133230 is 32331513503.

It is a junction number, because it is equal to n+sod(n) for n = 305315133193 and 305315133202.

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, 2048549 + ... + 2192528.

It is an arithmetic number, because the mean of its divisors is an integer number (17977929642).

Almost surely, 2305315133230 is an apocalyptic number.

305315133230 is a deficient number, since it is larger than the sum of its proper divisors (269978615314).

305315133230 is a wasteful number, since it uses less digits than its factorization.

305315133230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241420.

The product of its (nonzero) digits is 12150, while the sum is 29.

Adding to 305315133230 its reverse (32331513503), we get a palindrome (337646646733).

The spelling of 305315133230 in words is "three hundred five billion, three hundred fifteen million, one hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 313 626 1565 3130 7199 14398 35995 71990 4241077 8482154 21205385 42410770 97544771 195089542 487723855 975447710 1327457101 2654914202 6637285505 13274571010 30531513323 61063026646 152657566615 305315133230