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315180915146 = 247229115112721
BaseRepresentation
bin1001001011000100011…
…11110001100111001010
31010010112111111102100122
410211202033301213022
520130442303241041
6400443032503242
731525322401226
oct4454217614712
91103474442318
10315180915146
11111738456569
125110154ab22
132394bcac236
141137d3bb786
1582ea30cc4b
hex49623f19ca

315180915146 has 32 divisors (see below), whose sum is σ = 485398241280. Its totient is φ = 153418464000.

The previous prime is 315180915061. The next prime is 315180915157. The reversal of 315180915146 is 641519081513.

It is a junction number, because it is equal to n+sod(n) for n = 315180915097 and 315180915106.

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, 24770066 + ... + 24782786.

It is an arithmetic number, because the mean of its divisors is an integer number (15168695040).

Almost surely, 2315180915146 is an apocalyptic number.

315180915146 is a deficient number, since it is larger than the sum of its proper divisors (170217326134).

315180915146 is a wasteful number, since it uses less digits than its factorization.

315180915146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14150.

The product of its (nonzero) digits is 129600, while the sum is 44.

Adding to 315180915146 its reverse (641519081513), we get a palindrome (956699996659).

The spelling of 315180915146 in words is "three hundred fifteen billion, one hundred eighty million, nine hundred fifteen thousand, one hundred forty-six".

Divisors: 1 2 47 94 229 458 1151 2302 10763 12721 21526 25442 54097 108194 263579 527158 597887 1195774 2913109 5826218 12388213 14641871 24776426 29283742 136916123 273832246 688167937 1376335874 3352988459 6705976918 157590457573 315180915146