Search a number
-
+
1015304012993 = 8419120596747
BaseRepresentation
bin11101100011001001101…
…01011100010011000001
310121001200021121211121002
432301210311130103001
5113113320311403433
62054231344341345
7133232115500504
oct16614465342301
93531607554532
101015304012993
11361651712416
12144933314855
1374986ab912a
14371d8ba713b
151b6250cd9e8
hexec64d5c4c1

1015304012993 has 4 divisors (see below), whose sum is σ = 1015424618160. Its totient is φ = 1015183407828.

The previous prime is 1015304012857. The next prime is 1015304013091. The reversal of 1015304012993 is 3992104035101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1015304012993 - 228 = 1015035577537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1015304512993) 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 3 ways as a sum of consecutive naturals, for example, 60289955 + ... + 60306792.

It is an arithmetic number, because the mean of its divisors is an integer number (253856154540).

Almost surely, 21015304012993 is an apocalyptic number.

It is an amenable number.

1015304012993 is a deficient number, since it is larger than the sum of its proper divisors (120605167).

1015304012993 is an equidigital number, since it uses as much as digits as its factorization.

1015304012993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120605166.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 1015304012993 in words is "one trillion, fifteen billion, three hundred four million, twelve thousand, nine hundred ninety-three".

Divisors: 1 8419 120596747 1015304012993