Search a number
-
+
18363849090496 = 2671317199762023
BaseRepresentation
bin1000010110011101010101…
…01100111010010111000000
32102000120022012212112201021
410023032222230322113000
54401333130331343441
6103020122533515224
73603513204532120
oct413165254722700
972016265775637
1018363849090496
115940079081238
122087053aa2b14
13a3291b89ccb0
14476b5a672c80
1521ca44b813d1
hex10b3aab3a5c0

18363849090496 has 224 divisors, whose sum is σ = 49987810575360. Its totient is φ = 6477609222144.

The previous prime is 18363849090487. The next prime is 18363849090539. The reversal of 18363849090496 is 69409094836381.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2999860 + ... + 6762163.

It is an arithmetic number, because the mean of its divisors is an integer number (223159868640).

Almost surely, 218363849090496 is an apocalyptic number.

18363849090496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18363849090496 is an abundant number, since it is smaller than the sum of its proper divisors (31623961484864).

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

18363849090496 is a wasteful number, since it uses less digits than its factorization.

18363849090496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9762091 (or 9762081 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 70.

The spelling of 18363849090496 in words is "eighteen trillion, three hundred sixty-three billion, eight hundred forty-nine million, ninety thousand, four hundred ninety-six".