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621222028271 = 13448310659449
BaseRepresentation
bin10010000101000111011…
…01111110001111101111
32012101111000211210101022
421002203231332033233
540134230314401041
61153215132004355
762611314054365
oct11024355761757
92171430753338
10621222028271
1121a505704539
12a04920006bb
134677256cca0
14220d2991635
151125d02624b
hex90a3b7e3ef

621222028271 has 8 divisors (see below), whose sum is σ = 669157633200. Its totient is φ = 573307751232.

The previous prime is 621222028253. The next prime is 621222028291. The reversal of 621222028271 is 172820222126.

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 621222028271 - 214 = 621222011887 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 (621222028291) 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, 5271446 + ... + 5388003.

It is an arithmetic number, because the mean of its divisors is an integer number (83644704150).

Almost surely, 2621222028271 is an apocalyptic number.

621222028271 is a deficient number, since it is larger than the sum of its proper divisors (47935604929).

621222028271 is a wasteful number, since it uses less digits than its factorization.

621222028271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10663945.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 621222028271 in words is "six hundred twenty-one billion, two hundred twenty-two million, twenty-eight thousand, two hundred seventy-one".

Divisors: 1 13 4483 58279 10659449 138572837 47786309867 621222028271