Search a number
-
+
56187850165 = 5371072838487
BaseRepresentation
bin110100010101000011…
…101000110110110101
312101000211100112021121
4310111003220312311
51410033042201130
641451244343541
74026246563146
oct642503506665
9171024315247
1056187850165
1121913638507
12aa81244bb1
1353b5a2a825
142a1047bacd
1516dcc36d7a
hexd150e8db5

56187850165 has 16 divisors (see below), whose sum is σ = 69894928512. Its totient is φ = 43326650304.

The previous prime is 56187850109. The next prime is 56187850177. The reversal of 56187850165 is 56105878165.

It is a happy number.

56187850165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56187850165 - 215 = 56187817397 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399449 + ... + 1439038.

It is an arithmetic number, because the mean of its divisors is an integer number (4368433032).

Almost surely, 256187850165 is an apocalyptic number.

It is an amenable number.

56187850165 is a deficient number, since it is larger than the sum of its proper divisors (13707078347).

56187850165 is a wasteful number, since it uses less digits than its factorization.

56187850165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838636.

The product of its (nonzero) digits is 2016000, while the sum is 52.

The spelling of 56187850165 in words is "fifty-six billion, one hundred eighty-seven million, eight hundred fifty thousand, one hundred sixty-five".

Divisors: 1 5 37 107 185 535 3959 19795 2838487 14192435 105024019 303718109 525120095 1518590545 11237570033 56187850165