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318675427148 = 221310956223611
BaseRepresentation
bin1001010001100101000…
…10010001111101001100
31010110120001001000122002
410220302202101331030
520210121402132043
6402221504211432
732011034302661
oct4506242217514
91113501030562
10318675427148
11113170a75111
1251917909b78
1324087c76910
14115d154ba68
158451ed3bb8
hex4a32891f4c

318675427148 has 24 divisors (see below), whose sum is σ = 606090537360. Its totient is φ = 145731597120.

The previous prime is 318675427121. The next prime is 318675427207. The reversal of 318675427148 is 841724576813.

It is a junction number, because it is equal to n+sod(n) for n = 318675427093 and 318675427102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28106138 + ... + 28117473.

It is an arithmetic number, because the mean of its divisors is an integer number (25253772390).

Almost surely, 2318675427148 is an apocalyptic number.

It is an amenable number.

318675427148 is a deficient number, since it is larger than the sum of its proper divisors (287415110212).

318675427148 is a wasteful number, since it uses less digits than its factorization.

318675427148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56223737 (or 56223735 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 56.

The spelling of 318675427148 in words is "three hundred eighteen billion, six hundred seventy-five million, four hundred twenty-seven thousand, one hundred forty-eight".

Divisors: 1 2 4 13 26 52 109 218 436 1417 2834 5668 56223611 112447222 224894444 730906943 1461813886 2923627772 6128373599 12256747198 24513494396 79668856787 159337713574 318675427148