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15106556601 = 321678506289
BaseRepresentation
bin11100001000110101…
…11100001010111001
31102222210122120212100
432010122330022321
5221414234302401
610535001534013
71043232420033
oct160432741271
942883576770
1015106556601
116452291624
122b171a4309
131569946cb6
14a34440c53
155d6361b86
hex3846bc2b9

15106556601 has 6 divisors (see below), whose sum is σ = 21820581770. Its totient is φ = 10071037728.

The previous prime is 15106556579. The next prime is 15106556623. The reversal of 15106556601 is 10665560151.

15106556601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15106556579) and next prime (15106556623).

It can be written as a sum of positive squares in only one way, i.e., 12284397225 + 2822159376 = 110835^2 + 53124^2 .

It is not a de Polignac number, because 15106556601 - 211 = 15106554553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15106556671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 839253136 + ... + 839253153.

Almost surely, 215106556601 is an apocalyptic number.

It is an amenable number.

15106556601 is a deficient number, since it is larger than the sum of its proper divisors (6714025169).

15106556601 is a wasteful number, since it uses less digits than its factorization.

15106556601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678506295 (or 1678506292 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 15106556601 in words is "fifteen billion, one hundred six million, five hundred fifty-six thousand, six hundred one".

Divisors: 1 3 9 1678506289 5035518867 15106556601