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304668557868 = 223532953162221
BaseRepresentation
bin1000110111011111010…
…10010100001000101100
31002010101212122100011210
410123233222110020230
514442430122322433
6351543544314420
731003654004253
oct4335752241054
91063355570153
10304668557868
11108233504994
124b068a72a10
132296510119c
1410a631a779a
157dd2495463
hex46efa9422c

304668557868 has 48 divisors (see below), whose sum is σ = 724556127456. Its totient is φ = 99605675520.

The previous prime is 304668557833. The next prime is 304668557887. The reversal of 304668557868 is 868755866403.

It is a junction number, because it is equal to n+sod(n) for n = 304668557799 and 304668557808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1796998 + ... + 1959218.

It is an arithmetic number, because the mean of its divisors is an integer number (15094919322).

Almost surely, 2304668557868 is an apocalyptic number.

It is an amenable number.

304668557868 is an abundant number, since it is smaller than the sum of its proper divisors (419887569588).

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

304668557868 is a wasteful number, since it uses less digits than its factorization.

304668557868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165234 (or 165232 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 66.

The spelling of 304668557868 in words is "three hundred four billion, six hundred sixty-eight million, five hundred fifty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 2953 5906 8859 11812 17718 35436 156509 162221 313018 324442 469527 486663 626036 648884 939054 973326 1878108 1946652 8597713 17195426 25793139 34390852 51586278 103172556 479038613 958077226 1437115839 1916154452 2874231678 5748463356 25389046489 50778092978 76167139467 101556185956 152334278934 304668557868