Search a number
-
+
15108325885249 = 1483226212
BaseRepresentation
bin1101101111011010111001…
…1001011100010101000001
31222111100020012121111220121
43123312232121130111001
53440013322411311444
652044400305140241
73116353254055042
oct333665631342501
958440205544817
1015108325885249
1148a54500a8483
12184011792a681
1385792a93422c
143a33655d08c9
151b30077bd084
hexdbdae65c541

15108325885249 has 9 divisors (see below), whose sum is σ = 15124290859299. Its totient is φ = 15092377758120.

The previous prime is 15108325885201. The next prime is 15108325885271. The reversal of 15108325885249 is 94258852380151.

It is a happy number.

The square root of 15108325885249 is 3886943.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 12447186195249 + 2661139690000 = 3528057^2 + 1631300^2 .

It is not a de Polignac number, because 15108325885249 - 215 = 15108325852481 is a prime.

It is a super-2 number, since 2×151083258852492 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15108325885949) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5764335159 + ... + 5764337779.

Almost surely, 215108325885249 is an apocalyptic number.

15108325885249 is the 3886943-rd square number.

15108325885249 is the 1943472-nd centered octagonal number.

It is an amenable number.

15108325885249 is a deficient number, since it is larger than the sum of its proper divisors (15964974050).

15108325885249 is an frugal number, since it uses more digits than its factorization.

15108325885249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208 (or 4104 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 61.

The spelling of 15108325885249 in words is "fifteen trillion, one hundred eight billion, three hundred twenty-five million, eight hundred eighty-five thousand, two hundred forty-nine".

Divisors: 1 1483 2621 2199289 3886943 6869641 5764336469 10187677603 15108325885249