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4020055001 = 61139474119
BaseRepresentation
bin1110111110011101…
…0010101111011001
3101101011102221201222
43233213102233121
531213113230001
61502523421425
7201422621654
oct35747225731
911334387658
104020055001
111783241906
12942384875
134c0b23b91
142a1c9489b
15187dd761b
hexef9d2bd9

4020055001 has 8 divisors (see below), whose sum is σ = 4115361600. Its totient is φ = 3925697040.

The previous prime is 4020054989. The next prime is 4020055009. The reversal of 4020055001 is 1005500204.

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 4020055001 - 218 = 4019792857 is a prime.

It is a super-2 number, since 2×40200550012 = 32321684422130220002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4020055009) 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, 228581 + ... + 245538.

It is an arithmetic number, because the mean of its divisors is an integer number (514420200).

Almost surely, 24020055001 is an apocalyptic number.

It is an amenable number.

4020055001 is a deficient number, since it is larger than the sum of its proper divisors (95306599).

4020055001 is a wasteful number, since it uses less digits than its factorization.

4020055001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474319.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 4020055001 is about 63403.9036731967. The cubic root of 4020055001 is about 1590.0495746841.

Adding to 4020055001 its reverse (1005500204), we get a palindrome (5025555205).

The spelling of 4020055001 in words is "four billion, twenty million, fifty-five thousand, one".

Divisors: 1 61 139 8479 474119 28921259 65902541 4020055001