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4442820506481 = 377110212918471
BaseRepresentation
bin100000010100110110010…
…1111001111001101110001
3120201201200210121011221110
41000221230233033031301
51040242344022201411
613241000434143533
7635661143131650
oct100515457171561
916651623534843
104442820506481
11146320a3962a5
125b906b721ba9
13262c57946376
14115068511197
157a87bcc62a6
hex40a6cbcf371

4442820506481 has 32 divisors (see below), whose sum is σ = 6872090996736. Its totient is φ = 2500545096000.

The previous prime is 4442820506479. The next prime is 4442820506483. The reversal of 4442820506481 is 1846050282444.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4442820506479) and next prime (4442820506483).

It is not a de Polignac number, because 4442820506481 - 21 = 4442820506479 is a prime.

It is a super-2 number, since 2×44428205064812 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4442820506481.

It is not an unprimeable number, because it can be changed into a prime (4442820506483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63076 + ... + 2981546.

It is an arithmetic number, because the mean of its divisors is an integer number (214752843648).

Almost surely, 24442820506481 is an apocalyptic number.

It is an amenable number.

4442820506481 is a deficient number, since it is larger than the sum of its proper divisors (2429270490255).

4442820506481 is a wasteful number, since it uses less digits than its factorization.

4442820506481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919573.

The product of its (nonzero) digits is 1966080, while the sum is 48.

The spelling of 4442820506481 in words is "four trillion, four hundred forty-two billion, eight hundred twenty million, five hundred six thousand, four hundred eighty-one".

Divisors: 1 3 7 21 71 213 497 1021 1491 3063 7147 21441 72491 217473 507437 1522311 2918471 8755413 20429297 61287891 207211441 621634323 1450480087 2979758891 4351440261 8939276673 20858312237 62574936711 211562881261 634688643783 1480940168827 4442820506481