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2945372905 = 5827712303
BaseRepresentation
bin1010111110001110…
…1101001011101001
321121021020110001101
42233203231023221
522013003413110
61204133321401
7132663154006
oct25743551351
97537213041
102945372905
11128164a292
126a2496261
1337c299007
141dd2668ad
151238a313a
hexaf8ed2e9

2945372905 has 8 divisors (see below), whose sum is σ = 3538726272. Its totient is φ = 2353445808.

The previous prime is 2945372891. The next prime is 2945372917. The reversal of 2945372905 is 5092735492.

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

It is a cyclic number.

It is not a de Polignac number, because 2945372905 - 29 = 2945372393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352017 + ... + 360286.

It is an arithmetic number, because the mean of its divisors is an integer number (442340784).

Almost surely, 22945372905 is an apocalyptic number.

It is an amenable number.

2945372905 is a deficient number, since it is larger than the sum of its proper divisors (593353367).

2945372905 is an equidigital number, since it uses as much as digits as its factorization.

2945372905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713135.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 2945372905 is about 54271.2898777982. The cubic root of 2945372905 is about 1433.4419029292.

The spelling of 2945372905 in words is "two billion, nine hundred forty-five million, three hundred seventy-two thousand, nine hundred five".

Divisors: 1 5 827 4135 712303 3561515 589074581 2945372905