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627268305221 = 1212715172451
BaseRepresentation
bin10010010000011000001…
…10101100000101000101
32012222002101222111002122
421020030012230011011
540234121141231341
61200055120415325
763214202423105
oct11101406540505
92188071874078
10627268305221
11222028672938
12a169aa77545
13471c70bc65c
14225079a9205
15114b3c5094b
hex920c1ac145

627268305221 has 4 divisors (see below), whose sum is σ = 627273598944. Its totient is φ = 627263011500.

The previous prime is 627268305133. The next prime is 627268305233. The reversal of 627268305221 is 122503862726.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 627268305221 - 222 = 627264110917 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 (627268305241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2464955 + ... + 2707496.

It is an arithmetic number, because the mean of its divisors is an integer number (156818399736).

Almost surely, 2627268305221 is an apocalyptic number.

It is an amenable number.

627268305221 is a deficient number, since it is larger than the sum of its proper divisors (5293723).

627268305221 is a wasteful number, since it uses less digits than its factorization.

627268305221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293722.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 627268305221 in words is "six hundred twenty-seven billion, two hundred sixty-eight million, three hundred five thousand, two hundred twenty-one".

Divisors: 1 121271 5172451 627268305221