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4017231985 = 513163379163
BaseRepresentation
bin1110111101110010…
…0001100001110001
3101100222010112021211
43233130201201301
531211402410420
61502343120121
7201356623414
oct35734414161
911328115254
104017231985
111781693938
12941443041
134c0375c60
142a175bb7b
15187a2ae5a
hexef721871

4017231985 has 16 divisors (see below), whose sum is σ = 5223363264. Its totient is φ = 2948363712.

The previous prime is 4017231973. The next prime is 4017232013. The reversal of 4017231985 is 5891327104.

It is a cyclic number.

It is not a de Polignac number, because 4017231985 - 219 = 4016707697 is a prime.

It is a super-2 number, since 2×40172319852 = 32276305642614080450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178987 + ... + 200176.

It is an arithmetic number, because the mean of its divisors is an integer number (326460204).

Almost surely, 24017231985 is an apocalyptic number.

It is an amenable number.

4017231985 is a deficient number, since it is larger than the sum of its proper divisors (1206131279).

4017231985 is a wasteful number, since it uses less digits than its factorization.

4017231985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379344.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 4017231985 is about 63381.6376011223. The cubic root of 4017231985 is about 1589.6772923387.

The spelling of 4017231985 in words is "four billion, seventeen million, two hundred thirty-one thousand, nine hundred eighty-five".

Divisors: 1 5 13 65 163 815 2119 10595 379163 1895815 4929119 24645595 61803569 309017845 803446397 4017231985