Search a number
-
+
56196165820 = 2256146062431
BaseRepresentation
bin110100010101100011…
…010111000010111100
312101001102000000012211
4310111203113002330
51410042204301240
641452142510204
74026410346064
oct642543270274
9171042000184
1056196165820
11219182a8153
12aa83b95364
1353b767c832
142a116043a4
1516dd82abea
hexd158d70bc

56196165820 has 24 divisors (see below), whose sum is σ = 119946572928. Its totient is φ = 22109966400.

The previous prime is 56196165769. The next prime is 56196165827. The reversal of 56196165820 is 2856169165.

56196165820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56196165827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23029996 + ... + 23032435.

It is an arithmetic number, because the mean of its divisors is an integer number (4997773872).

Almost surely, 256196165820 is an apocalyptic number.

It is an amenable number.

56196165820 is an abundant number, since it is smaller than the sum of its proper divisors (63750407108).

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

56196165820 is a wasteful number, since it uses less digits than its factorization.

56196165820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46062501 (or 46062499 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 56196165820 in words is "fifty-six billion, one hundred ninety-six million, one hundred sixty-five thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 46062431 92124862 184249724 230312155 460624310 921248620 2809808291 5619616582 11239233164 14049041455 28098082910 56196165820