Search a number
-
+
38628305325388 = 2251463718764831
BaseRepresentation
bin10001100100001110110100…
…11010101100110101001100
312001202211102000101201200101
420302013122122230311030
520030341232130403023
6214053333134540444
711064542262510142
oct1062073232546514
9161684360351611
1038628305325388
1111343199355789
1243ba511367724
131872830c2234c
1497789721b592
1546ec26a351ad
hex2321da6acd4c

38628305325388 has 12 divisors (see below), whose sum is σ = 67599669275712. Its totient is φ = 19314114103760.

The previous prime is 38628305325341. The next prime is 38628305325397. The reversal of 38628305325388 is 88352350382683.

It is a happy number.

It is a super-2 number, since 2×386283053253882 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7323868 + ... + 11440963.

It is an arithmetic number, because the mean of its divisors is an integer number (5633305772976).

Almost surely, 238628305325388 is an apocalyptic number.

It is an amenable number.

38628305325388 is a deficient number, since it is larger than the sum of its proper divisors (28971363950324).

38628305325388 is a wasteful number, since it uses less digits than its factorization.

38628305325388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19279472 (or 19279470 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 64.

The spelling of 38628305325388 in words is "thirty-eight trillion, six hundred twenty-eight billion, three hundred five million, three hundred twenty-five thousand, three hundred eighty-eight".

Divisors: 1 2 4 514637 1029274 2058548 18764831 37529662 75059324 9657076331347 19314152662694 38628305325388