Search a number
-
+
16677505645040 = 245208468820563
BaseRepresentation
bin1111001010110000100011…
…0011001011100111110000
32012001100120001011120110202
43302230020303023213300
54141221012421120130
655245312413214332
73340624065000302
oct362541063134760
965040501146422
1016677505645040
11534a988178269
121a54266a913a8
1393c8b3576736
144192a4959972
151ddc48254145
hexf2b08ccb9f0

16677505645040 has 20 divisors (see below), whose sum is σ = 38775200624904. Its totient is φ = 6671002257984.

The previous prime is 16677505644931. The next prime is 16677505645051. The reversal of 16677505645040 is 4054650577661.

16677505645040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 104234410202 + ... + 104234410361.

Almost surely, 216677505645040 is an apocalyptic number.

16677505645040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16677505645040 is an abundant number, since it is smaller than the sum of its proper divisors (22097694979864).

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

16677505645040 is a wasteful number, since it uses less digits than its factorization.

16677505645040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208468820576 (or 208468820570 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 16677505645040 in words is "sixteen trillion, six hundred seventy-seven billion, five hundred five million, six hundred forty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 208468820563 416937641126 833875282252 1042344102815 1667750564504 2084688205630 3335501129008 4169376411260 8338752822520 16677505645040