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10670420209 = 173557176461
BaseRepresentation
bin10011111000000000…
…11011000011110001
31000112122021111202111
421330000123003301
5133323111421314
64522452045321
7525265034551
oct117400330361
930478244674
1010670420209
1145861a06a9
122099603841
131010870c17
147331db161
15426b8aec4
hex27c01b0f1

10670420209 has 8 divisors (see below), whose sum is σ = 11301332328. Its totient is φ = 10039868160.

The previous prime is 10670420203. The next prime is 10670420219. The reversal of 10670420209 is 90202407601.

It can be written as a sum of positive squares in 4 ways, for example, as 3884779584 + 6785640625 = 62328^2 + 82375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10670420209 - 225 = 10636865777 is a prime.

It is a super-2 number, since 2×106704202092 (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 (10670420203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27762 + ... + 148699.

It is an arithmetic number, because the mean of its divisors is an integer number (1412666541).

Almost surely, 210670420209 is an apocalyptic number.

It is an amenable number.

10670420209 is a deficient number, since it is larger than the sum of its proper divisors (630912119).

10670420209 is a wasteful number, since it uses less digits than its factorization.

10670420209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180035.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 10670420209 in words is "ten billion, six hundred seventy million, four hundred twenty thousand, two hundred nine".

Divisors: 1 17 3557 60469 176461 2999837 627671777 10670420209