Search a number
-
+
52172643654713 = 149350151970837
BaseRepresentation
bin10111101110011011000111…
…11001000101110000111001
320211201122201020111110201202
423313031203321011300321
523314244033233422323
6302543440455023545
713663230513654401
oct1367154371056071
9224648636443652
1052172643654713
1115695326228a4a
125a274a896abb5
132315b2282a54a
14cc5252c97801
156071e45dcd28
hex2f7363e45c39

52172643654713 has 4 divisors (see below), whose sum is σ = 52522795625700. Its totient is φ = 51822491683728.

The previous prime is 52172643654689. The next prime is 52172643654757. The reversal of 52172643654713 is 31745634627125.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28138696286464 + 24033947368249 = 5304592^2 + 4902443^2 .

It is a cyclic number.

It is not a de Polignac number, because 52172643654713 - 216 = 52172643589177 is a prime.

It is a super-2 number, since 2×521726436547132 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52172643654013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175075985270 + ... + 175075985567.

It is an arithmetic number, because the mean of its divisors is an integer number (13130698906425).

Almost surely, 252172643654713 is an apocalyptic number.

It is an amenable number.

52172643654713 is a deficient number, since it is larger than the sum of its proper divisors (350151970987).

52172643654713 is a wasteful number, since it uses less digits than its factorization.

52172643654713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350151970986.

The product of its digits is 25401600, while the sum is 56.

The spelling of 52172643654713 in words is "fifty-two trillion, one hundred seventy-two billion, six hundred forty-three million, six hundred fifty-four thousand, seven hundred thirteen".

Divisors: 1 149 350151970837 52172643654713