Search a number
-
+
52680460729 = 1319332096401
BaseRepresentation
bin110001000100000000…
…000000100110111001
312000222101120200111011
4301010000000212321
51330342144220404
640111233033521
73543320346031
oct610400004671
9160871520434
1052680460729
1120383823956
12a2626b58a1
134c771a4970
14279a7188c1
151584d6a604
hexc440009b9

52680460729 has 8 divisors (see below), whose sum is σ = 56762180552. Its totient is φ = 48602937600.

The previous prime is 52680460717. The next prime is 52680460741. The reversal of 52680460729 is 92706408625.

It is an interprime number because it is at equal distance from previous prime (52680460717) and next prime (52680460741).

It can be written as a sum of positive squares in 4 ways, for example, as 15731932329 + 36948528400 = 125427^2 + 192220^2 .

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 52680460729 - 25 = 52680460697 is a prime.

It is a super-2 number, since 2×526804607292 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52680460709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023072 + ... + 1073329.

It is an arithmetic number, because the mean of its divisors is an integer number (7095272569).

Almost surely, 252680460729 is an apocalyptic number.

It is an amenable number.

52680460729 is a deficient number, since it is larger than the sum of its proper divisors (4081719823).

52680460729 is a wasteful number, since it uses less digits than its factorization.

52680460729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098347.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 52680460729 in words is "fifty-two billion, six hundred eighty million, four hundred sixty thousand, seven hundred twenty-nine".

Divisors: 1 13 1933 25129 2096401 27253213 4052343133 52680460729