Search a number
-
+
628660161304 = 23711226074309
BaseRepresentation
bin10010010010111110001…
…00001100101100011000
32020002200102000002200221
421021133010030230120
540244444000130204
61200445201005424
763263533126420
oct11113704145430
92202612002627
10628660161304
112226822a9a1a
12a1a09023874
1347389579336
14225da79b480
1511546037654
hex925f10cb18

628660161304 has 16 divisors (see below), whose sum is σ = 1347128917200. Its totient is φ = 269425783392.

The previous prime is 628660161277. The next prime is 628660161307. The reversal of 628660161304 is 403161066826.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628660161307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5613037099 + ... + 5613037210.

It is an arithmetic number, because the mean of its divisors is an integer number (84195557325).

Almost surely, 2628660161304 is an apocalyptic number.

It is an amenable number.

628660161304 is an abundant number, since it is smaller than the sum of its proper divisors (718468755896).

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

628660161304 is a wasteful number, since it uses less digits than its factorization.

628660161304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11226074322 (or 11226074318 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 628660161304 in words is "six hundred twenty-eight billion, six hundred sixty million, one hundred sixty-one thousand, three hundred four".

Divisors: 1 2 4 7 8 14 28 56 11226074309 22452148618 44904297236 78582520163 89808594472 157165040326 314330080652 628660161304