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13652608481 is a prime number
BaseRepresentation
bin11001011011100001…
…00100010111100001
31022020110210100222222
430231300210113201
5210430031432411
610134422440425
7662216154161
oct145560442741
938213710888
1013652608481
1158765a5906
122790293115
13139765a075
149372c85a1
1554d8b24db
hex32dc245e1

13652608481 has 2 divisors, whose sum is σ = 13652608482. Its totient is φ = 13652608480.

The previous prime is 13652608451. The next prime is 13652608499. The reversal of 13652608481 is 18480625631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13645977856 + 6630625 = 116816^2 + 2575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13652608481 is a prime.

It is a super-2 number, since 2×136526084812 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13652608451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6826304240 + 6826304241.

It is an arithmetic number, because the mean of its divisors is an integer number (6826304241).

Almost surely, 213652608481 is an apocalyptic number.

It is an amenable number.

13652608481 is a deficient number, since it is larger than the sum of its proper divisors (1).

13652608481 is an equidigital number, since it uses as much as digits as its factorization.

13652608481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 13652608481 in words is "thirteen billion, six hundred fifty-two million, six hundred eight thousand, four hundred eighty-one".