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10002186085 = 52000437217
BaseRepresentation
bin10010101000010110…
…10011111101100101
3221211001212200212111
421110023103331211
5130441024423320
64332301321021
7502602115243
oct112413237545
927731780774
1010002186085
114272a784a1
121b31866171
13c352a4508
146ac571793
153d8190a5a
hex2542d3f65

10002186085 has 4 divisors (see below), whose sum is σ = 12002623308. Its totient is φ = 8001748864.

The previous prime is 10002186067. The next prime is 10002186143. The reversal of 10002186085 is 58068120001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58068120001 = 139417756259.

It can be written as a sum of positive squares in 2 ways, for example, as 3696396804 + 6305789281 = 60798^2 + 79409^2 .

It is a cyclic number.

It is not a de Polignac number, because 10002186085 - 27 = 10002185957 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000218604 + ... + 1000218613.

It is an arithmetic number, because the mean of its divisors is an integer number (3000655827).

Almost surely, 210002186085 is an apocalyptic number.

It is an amenable number.

10002186085 is a deficient number, since it is larger than the sum of its proper divisors (2000437223).

10002186085 is an equidigital number, since it uses as much as digits as its factorization.

10002186085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000437222.

The product of its (nonzero) digits is 3840, while the sum is 31.

The spelling of 10002186085 in words is "ten billion, two million, one hundred eighty-six thousand, eighty-five".

Divisors: 1 5 2000437217 10002186085