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1005230217161 = 1638836984209
BaseRepresentation
bin11101010000011000110…
…00111101011111001001
310120002200012222222121202
432220030120331133021
5112432202413422121
62045444004113545
7132424353602402
oct16501430753711
93502605888552
101005230217161
11358352284515
121429a16958b5
1373a3ca314b1
1436920d149a9
151b2359e540b
hexea0c63d7c9

1005230217161 has 8 divisors (see below), whose sum is σ = 1012542828960. Its totient is φ = 997931575872.

The previous prime is 1005230217143. The next prime is 1005230217179. The reversal of 1005230217161 is 1617120325001.

It is an interprime number because it is at equal distance from previous prime (1005230217143) and next prime (1005230217179).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1005230217161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4005230217161) 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, 3348176 + ... + 3636033.

It is an arithmetic number, because the mean of its divisors is an integer number (126567853620).

Almost surely, 21005230217161 is an apocalyptic number.

It is an amenable number.

1005230217161 is a deficient number, since it is larger than the sum of its proper divisors (7312611799).

1005230217161 is an equidigital number, since it uses as much as digits as its factorization.

1005230217161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985255.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 1005230217161 in words is "one trillion, five billion, two hundred thirty million, two hundred seventeen thousand, one hundred sixty-one".

Divisors: 1 163 883 143929 6984209 1138426067 6167056547 1005230217161