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10645807201 = 17626223953
BaseRepresentation
bin10011110101000101…
…00010000001100001
31000110220222001001121
421322202202001201
5133300311312301
64520212332241
7524545603531
oct117242420141
930426861047
1010645807201
11457330a577
122091314081
131008733c03
1472dc314c1
154249283a1
hex27a8a2061

10645807201 has 4 divisors (see below), whose sum is σ = 11272031172. Its totient is φ = 10019583232.

The previous prime is 10645807147. The next prime is 10645807223. The reversal of 10645807201 is 10270854601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10270854601 = 71467264943.

It can be written as a sum of positive squares in 2 ways, for example, as 7464960000 + 3180847201 = 86400^2 + 56399^2 .

It is a cyclic number.

It is not a de Polignac number, because 10645807201 - 211 = 10645805153 is a prime.

It is a super-2 number, since 2×106458072012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10645807241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313111960 + ... + 313111993.

It is an arithmetic number, because the mean of its divisors is an integer number (2818007793).

Almost surely, 210645807201 is an apocalyptic number.

It is an amenable number.

10645807201 is a deficient number, since it is larger than the sum of its proper divisors (626223971).

10645807201 is an equidigital number, since it uses as much as digits as its factorization.

10645807201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626223970.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 10645807201 in words is "ten billion, six hundred forty-five million, eight hundred seven thousand, two hundred one".

Divisors: 1 17 626223953 10645807201