Search a number
-
+
52173887457 = 358672964257
BaseRepresentation
bin110000100101110011…
…100101011111100001
311222200002101002121010
4300211303211133201
51323323003344312
635545055251133
73524626504026
oct604563453741
9158602332533
1052173887457
112014388795a
12a140b19aa9
134bc625a973
14274d33154d
15155565493c
hexc25ce57e1

52173887457 has 8 divisors (see below), whose sum is σ = 69577063776. Its totient is φ = 34776651392.

The previous prime is 52173887429. The next prime is 52173887459. The reversal of 52173887457 is 75478837125.

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 52173887457 - 28 = 52173887201 is a prime.

It is a super-2 number, since 2×521738874572 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52173887397 and 52173887406.

It is not an unprimeable number, because it can be changed into a prime (52173887459) 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 7 ways as a sum of consecutive naturals, for example, 1464528 + ... + 1499729.

It is an arithmetic number, because the mean of its divisors is an integer number (8697132972).

Almost surely, 252173887457 is an apocalyptic number.

It is an amenable number.

52173887457 is a deficient number, since it is larger than the sum of its proper divisors (17403176319).

52173887457 is a wasteful number, since it uses less digits than its factorization.

52173887457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970127.

The product of its digits is 13171200, while the sum is 57.

The spelling of 52173887457 in words is "fifty-two billion, one hundred seventy-three million, eight hundred eighty-seven thousand, four hundred fifty-seven".

Divisors: 1 3 5867 17601 2964257 8892771 17391295819 52173887457