Search a number
-
+
38675822637728 = 251963611550391
BaseRepresentation
bin10001100101100111010101…
…01010110111001010100000
312001221101001120121022002102
420302303222222313022200
520032131041043401403
6214131232211505532
711101143640140353
oct1062635252671240
9161841046538072
1038675822637728
1111361362669851
1244077728b82a8
131877164514903
14979cc3d2629a
154710a846db88
hex232ceaab72a0

38675822637728 has 24 divisors (see below), whose sum is σ = 80150553493920. Its totient is φ = 18320126512320.

The previous prime is 38675822637583. The next prime is 38675822637811. The reversal of 38675822637728 is 82773622857683.

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, 31805774588 + ... + 31805775803.

It is an arithmetic number, because the mean of its divisors is an integer number (3339606395580).

Almost surely, 238675822637728 is an apocalyptic number.

38675822637728 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

38675822637728 is an abundant number, since it is smaller than the sum of its proper divisors (41474730856192).

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

38675822637728 is a wasteful number, since it uses less digits than its factorization.

38675822637728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63611550420 (or 63611550412 counting only the distinct ones).

The product of its digits is 2275983360, while the sum is 74.

The spelling of 38675822637728 in words is "thirty-eight trillion, six hundred seventy-five billion, eight hundred twenty-two million, six hundred thirty-seven thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 63611550391 127223100782 254446201564 508892403128 1017784806256 1208619457429 2035569612512 2417238914858 4834477829716 9668955659432 19337911318864 38675822637728