Search a number
-
+
390150312305 = 513291671239379
BaseRepresentation
bin1011010110101101100…
…01010101000101110001
31101022001020122101120212
411223112301111011301
522343011434443210
6455122123113505
740121200636235
oct5532661250561
91338036571525
10390150312305
11140509753236
1263744672895
132aa38b2bc80
1414c51daa5c5
15a236d2c805
hex5ad6c55171

390150312305 has 32 divisors (see below), whose sum is σ = 524703916800. Its totient is φ = 276510189312.

The previous prime is 390150312203. The next prime is 390150312319. The reversal of 390150312305 is 503213051093.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-390150312305 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304895 + ... + 934484.

It is an arithmetic number, because the mean of its divisors is an integer number (16396997400).

Almost surely, 2390150312305 is an apocalyptic number.

It is an amenable number.

390150312305 is a deficient number, since it is larger than the sum of its proper divisors (134553604495).

390150312305 is a wasteful number, since it uses less digits than its factorization.

390150312305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239593.

The product of its (nonzero) digits is 12150, while the sum is 32.

Adding to 390150312305 its reverse (503213051093), we get a palindrome (893363363398).

The spelling of 390150312305 in words is "three hundred ninety billion, one hundred fifty million, three hundred twelve thousand, three hundred five".

Divisors: 1 5 13 29 65 145 167 377 835 1885 2171 4843 10855 24215 62959 314795 1239379 6196895 16111927 35941991 80559635 179709955 206976293 467245883 1034881465 2336229415 2690691809 6002312497 13453459045 30011562485 78030062461 390150312305