Search a number
-
+
10061665325 = 52402466613
BaseRepresentation
bin10010101111011100…
…01101010000101101
3221222012210120001022
421113232031100231
5131101241242300
64342224223525
7504223513145
oct112756152055
927865716038
1010061665325
1142a3603098
121b4976aba5
13c446cb42a
146b6415925
153dd4de285
hex257b8d42d

10061665325 has 6 divisors (see below), whose sum is σ = 12476465034. Its totient is φ = 8049332240.

The previous prime is 10061665321. The next prime is 10061665343. The reversal of 10061665325 is 52356616001.

It can be written as a sum of positive squares in 3 ways, for example, as 2778889 + 10058886436 = 1667^2 + 100294^2 .

It is not a de Polignac number, because 10061665325 - 22 = 10061665321 is a prime.

It is a super-3 number, since 3×100616653253 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10061665321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201233282 + ... + 201233331.

It is an arithmetic number, because the mean of its divisors is an integer number (2079410839).

Almost surely, 210061665325 is an apocalyptic number.

It is an amenable number.

10061665325 is a deficient number, since it is larger than the sum of its proper divisors (2414799709).

10061665325 is an equidigital number, since it uses as much as digits as its factorization.

10061665325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402466623 (or 402466618 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 10061665325 in words is "ten billion, sixty-one million, six hundred sixty-five thousand, three hundred twenty-five".

Divisors: 1 5 25 402466613 2012333065 10061665325