Search a number
-
+
15170071072 = 251336466517
BaseRepresentation
bin11100010000011010…
…01110101000100000
31110011020011110100011
432020031032220200
5222032014233242
610545151134304
71044633322312
oct161015165040
943136143304
1015170071072
116485122a22
122b34514394
131579b54820
14a3ca557b2
155dbc0ad17
hex38834ea20

15170071072 has 24 divisors (see below), whose sum is σ = 32163468876. Its totient is φ = 7001571072.

The previous prime is 15170071069. The next prime is 15170071079. The reversal of 15170071072 is 27017007151.

It can be written as a sum of positive squares in 2 ways, for example, as 11749692816 + 3420378256 = 108396^2 + 58484^2 .

It is not an unprimeable number, because it can be changed into a prime (15170071079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18232843 + ... + 18233674.

Almost surely, 215170071072 is an apocalyptic number.

It is an amenable number.

15170071072 is an abundant number, since it is smaller than the sum of its proper divisors (16993397804).

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

15170071072 is a wasteful number, since it uses less digits than its factorization.

15170071072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36466540 (or 36466532 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 31.

The spelling of 15170071072 in words is "fifteen billion, one hundred seventy million, seventy-one thousand, seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 36466517 72933034 145866068 291732136 474064721 583464272 948129442 1166928544 1896258884 3792517768 7585035536 15170071072