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315030305430 = 2355129642101
BaseRepresentation
bin1001001010110010100…
…01001111101010010110
31010010011000002122200000
410211121101033222112
520130140224233210
6400420052432130
731521513261651
oct4453121175226
91103130078600
10315030305430
11111670438225
125107b018646
1323926a28969
14113673b4898
1582dbeacac0
hex495944fa96

315030305430 has 48 divisors (see below), whose sum is σ = 849415052304. Its totient is φ = 84008080800.

The previous prime is 315030305411. The next prime is 315030305437. The reversal of 315030305430 is 34503030513.

It is a happy number.

315030305430 is a `hidden beast` number, since 315 + 0 + 3 + 0 + 305 + 43 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 315030305394 and 315030305403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315030305437) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 64818621 + ... + 64823480.

It is an arithmetic number, because the mean of its divisors is an integer number (17696146923).

Almost surely, 2315030305430 is an apocalyptic number.

315030305430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

315030305430 is an abundant number, since it is smaller than the sum of its proper divisors (534384746874).

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

315030305430 is a wasteful number, since it uses less digits than its factorization.

315030305430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129642123 (or 129642111 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

Adding to 315030305430 its reverse (34503030513), we get a palindrome (349533335943).

The spelling of 315030305430 in words is "three hundred fifteen billion, thirty million, three hundred five thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 810 1215 2430 129642101 259284202 388926303 648210505 777852606 1166778909 1296421010 1944631515 2333557818 3500336727 3889263030 5833894545 7000673454 10501010181 11667789090 17501683635 21002020362 31503030543 35003367270 52505050905 63006061086 105010101810 157515152715 315030305430