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5821001285 = 511313414077
BaseRepresentation
bin1010110101111010…
…10110111001000101
3120000200020111121012
411122331112321011
543410134020120
62401340132005
7264151460141
oct53275267105
916020214535
105821001285
112517892470
121165537005
13719c85878
143d3136221
1524107b1c5
hex15af56e45

5821001285 has 16 divisors (see below), whose sum is σ = 7866035712. Its totient is φ = 4096891200.

The previous prime is 5821001279. The next prime is 5821001287.

It is a happy number.

5821001285 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2k-5821001285 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5821001287) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1705334 + ... + 1708743.

It is an arithmetic number, because the mean of its divisors is an integer number (491627232).

Almost surely, 25821001285 is an apocalyptic number.

5821001285 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5821001285 is a deficient number, since it is larger than the sum of its proper divisors (2045034427).

5821001285 is a wasteful number, since it uses less digits than its factorization.

5821001285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414124.

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 5821001285 is about 76295.4866620562. The cubic root of 5821001285 is about 1798.8677328699.

It can be divided in two parts, 582100 and 1285, that added together give a palindrome (583385).

The spelling of 5821001285 in words is "five billion, eight hundred twenty-one million, one thousand, two hundred eighty-five".

Divisors: 1 5 11 31 55 155 341 1705 3414077 17070385 37554847 105836387 187774235 529181935 1164200257 5821001285