Search a number
-
+
2015142044025 = 352112442596417
BaseRepresentation
bin11101010100101111110…
…100110110000101111001
321010122102201021101102110
4131110233310312011321
5231004002330402100
64141424331322533
7265406045520015
oct35245764660571
97118381241373
102015142044025
11707687170660
1228666abb0449
13118047654c36
146d7678cb545
15376424ee250
hex1d52fd36179

2015142044025 has 24 divisors (see below), whose sum is σ = 3634583469984. Its totient is φ = 977038566400.

The previous prime is 2015142044011. The next prime is 2015142044051. The reversal of 2015142044025 is 5204402415102.

It is not a de Polignac number, because 2015142044025 - 24 = 2015142044009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2015142043983 and 2015142044001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1221297384 + ... + 1221299033.

It is an arithmetic number, because the mean of its divisors is an integer number (151440977916).

Almost surely, 22015142044025 is an apocalyptic number.

2015142044025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2015142044025 is a deficient number, since it is larger than the sum of its proper divisors (1619441425959).

2015142044025 is a wasteful number, since it uses less digits than its factorization.

2015142044025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442596441 (or 2442596436 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 2015142044025 its reverse (5204402415102), we get a palindrome (7219544459127).

The spelling of 2015142044025 in words is "two trillion, fifteen billion, one hundred forty-two million, forty-four thousand, twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 165 275 825 2442596417 7327789251 12212982085 26868560587 36638946255 61064910425 80605681761 134342802935 183194731275 403028408805 671714014675 2015142044025