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620331312422 = 28310934283813
BaseRepresentation
bin10010000011011101010…
…00001010010100100110
32012022011221210201221102
421001232220022110212
540130414303444142
61152550512520102
762550250104233
oct11015650122446
92168157721842
10620331312422
1121a098943538
12a0283850032
134665cb773a3
142204a57078a
1511209c30532
hex906ea0a526

620331312422 has 16 divisors (see below), whose sum is σ = 950347324080. Its totient is φ = 303617439072.

The previous prime is 620331312323. The next prime is 620331312463. The reversal of 620331312422 is 224213133026.

It is a happy number.

It is a super-3 number, since 3×6203313124223 (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17123813 + ... + 17160000.

It is an arithmetic number, because the mean of its divisors is an integer number (59396707755).

Almost surely, 2620331312422 is an apocalyptic number.

620331312422 is a deficient number, since it is larger than the sum of its proper divisors (330016011658).

620331312422 is a wasteful number, since it uses less digits than its factorization.

620331312422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34284007.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 620331312422 its reverse (224213133026), we get a palindrome (844544445448).

The spelling of 620331312422 in words is "six hundred twenty billion, three hundred thirty-one million, three hundred twelve thousand, four hundred twenty-two".

Divisors: 1 2 83 109 166 218 9047 18094 34283813 68567626 2845556479 3736935617 5691112958 7473871234 310165656211 620331312422