Search a number
-
+
1155130501 = 7179706979
BaseRepresentation
bin100010011011001…
…1110010010000101
32222111120201011011
41010312132102011
54331203134001
6310342242221
740424306260
oct10466362205
92874521134
101155130501
1154304a708
12282a26371
13155414395
14ad5adcd7
156b625d51
hex44d9e485

1155130501 has 8 divisors (see below), whose sum is σ = 1397805120. Its totient is φ = 931869888.

The previous prime is 1155130469. The next prime is 1155130507. The reversal of 1155130501 is 1050315511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1155130501 - 25 = 1155130469 is a prime.

It is a super-2 number, since 2×11551305012 = 2668652948681022002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155130507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4853371 + ... + 4853608.

It is an arithmetic number, because the mean of its divisors is an integer number (174725640).

Almost surely, 21155130501 is an apocalyptic number.

It is an amenable number.

1155130501 is a deficient number, since it is larger than the sum of its proper divisors (242674619).

1155130501 is an equidigital number, since it uses as much as digits as its factorization.

1155130501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9707003.

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 1155130501 is about 33987.2108446692. The cubic root of 1155130501 is about 1049.2452629181.

The spelling of 1155130501 in words is "one billion, one hundred fifty-five million, one hundred thirty thousand, five hundred one".

Divisors: 1 7 17 119 9706979 67948853 165018643 1155130501