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315030305215 = 5293280376717
BaseRepresentation
bin1001001010110010100…
…01001111100110111111
31010010011000002122101001
410211121101033212333
520130140224231330
6400420052431131
731521513261223
oct4453121174677
91103130078331
10315030305215
1111167043804a
125107b0184a7
1323926a28832
14113673b4783
1582dbeac9ca
hex495944f9bf

315030305215 has 16 divisors (see below), whose sum is σ = 379466867808. Its totient is φ = 251071214976.

The previous prime is 315030305207. The next prime is 315030305231. The reversal of 315030305215 is 512503030513.

It is a cyclic number.

It is not a de Polignac number, because 315030305215 - 23 = 315030305207 is a prime.

It is a Duffinian number.

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, 4068037 + ... + 4144753.

It is an arithmetic number, because the mean of its divisors is an integer number (23716679238).

Almost surely, 2315030305215 is an apocalyptic number.

315030305215 is a deficient number, since it is larger than the sum of its proper divisors (64436562593).

315030305215 is a wasteful number, since it uses less digits than its factorization.

315030305215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79818.

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 315030305215 its reverse (512503030513), we get a palindrome (827533335728).

The spelling of 315030305215 in words is "three hundred fifteen billion, thirty million, three hundred five thousand, two hundred fifteen".

Divisors: 1 5 293 1465 2803 14015 76717 383585 821279 4106395 22478081 112390405 215037751 1075188755 63006061043 315030305215