Search a number
-
+
628585265274 = 231991836728663
BaseRepresentation
bin10010010010110101001…
…10011111100001111010
32020002111012001222122220
421021122212133201322
540244320311442044
61200433523424510
763261633411561
oct11113246374172
92202435058586
10628585265274
11222643aa447a
12a19a7b25136
1347376bb5165
14225d0862bd8
151153e691019
hex925a99f87a

628585265274 has 32 divisors (see below), whose sum is σ = 1263600844800. Its totient is φ = 208456891632.

The previous prime is 628585265257. The next prime is 628585265279. The reversal of 628585265274 is 472562585826.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (628585265279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21915867 + ... + 21944529.

It is an arithmetic number, because the mean of its divisors is an integer number (39487526400).

Almost surely, 2628585265274 is an apocalyptic number.

628585265274 is an abundant number, since it is smaller than the sum of its proper divisors (635015579526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628585265274 is a wasteful number, since it uses less digits than its factorization.

628585265274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47234.

The product of its digits is 64512000, while the sum is 60.

The spelling of 628585265274 in words is "six hundred twenty-eight billion, five hundred eighty-five million, two hundred sixty-five thousand, two hundred seventy-four".

Divisors: 1 2 3 6 199 398 597 1194 18367 28663 36734 55101 57326 85989 110202 171978 3655033 5703937 7310066 10965099 11407874 17111811 21930198 34223622 526453321 1052906642 1579359963 3158719926 104764210879 209528421758 314292632637 628585265274