Search a number
-
+
18801025150016 = 26977300681697
BaseRepresentation
bin1000100011001011101000…
…11011001110110001000000
32110120100201202202102010102
410101211310123032301000
54431013444414300031
6103553023254021532
73650220633655244
oct421456433166100
973510652672112
1018801025150016
115a9951961236a
1221379213478a8
13a64c10200795
1448dd8dd4a424
152290d01987cb
hex1119746cec40

18801025150016 has 28 divisors (see below), whose sum is σ = 37346470981788. Its totient is φ = 9390890729472.

The previous prime is 18801025149941. The next prime is 18801025150021. The reversal of 18801025150016 is 61005152010881.

It can be written as a sum of positive squares in 2 ways, for example, as 16341773910016 + 2459251240000 = 4042496^2 + 1568200^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150278321 + ... + 150403376.

Almost surely, 218801025150016 is an apocalyptic number.

18801025150016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18801025150016 is a deficient number, since it is larger than the sum of its proper divisors (18545445831772).

18801025150016 is an equidigital number, since it uses as much as digits as its factorization.

18801025150016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300682686 (or 300682676 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 38.

Adding to 18801025150016 its reverse (61005152010881), we get a palindrome (79806177160897).

The spelling of 18801025150016 in words is "eighteen trillion, eight hundred one billion, twenty-five million, one hundred fifty thousand, sixteen".

Divisors: 1 2 4 8 16 32 64 977 1954 3908 7816 15632 31264 62528 300681697 601363394 1202726788 2405453576 4810907152 9621814304 19243628608 293766017969 587532035938 1175064071876 2350128143752 4700256287504 9400512575008 18801025150016