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318630426050 = 25219333018697
BaseRepresentation
bin1001010001011111101…
…10100111010111000010
31010110102220100201201202
410220233312213113002
520210023342113200
6402213215501202
732006646635306
oct4505766472702
91113386321652
10318630426050
11113148629122
1251904827802
132407b84b951
14115c9595d06
15844d0951d5
hex4a2fda75c2

318630426050 has 24 divisors (see below), whose sum is σ = 595723349316. Its totient is φ = 126791792640.

The previous prime is 318630426011. The next prime is 318630426053. The reversal of 318630426050 is 50624036813.

It can be written as a sum of positive squares in 6 ways, for example, as 12986197849 + 305644228201 = 113957^2 + 552851^2 .

It is a junction number, because it is equal to n+sod(n) for n = 318630425995 and 318630426013.

It is not an unprimeable number, because it can be changed into a prime (318630426053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16499699 + ... + 16518998.

Almost surely, 2318630426050 is an apocalyptic number.

318630426050 is a deficient number, since it is larger than the sum of its proper divisors (277092923266).

318630426050 is a wasteful number, since it uses less digits than its factorization.

318630426050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33018902 (or 33018897 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 318630426050 in words is "three hundred eighteen billion, six hundred thirty million, four hundred twenty-six thousand, fifty".

Divisors: 1 2 5 10 25 50 193 386 965 1930 4825 9650 33018697 66037394 165093485 330186970 825467425 1650934850 6372608521 12745217042 31863042605 63726085210 159315213025 318630426050