Search a number
-
+
68472677916 = 2233634006277
BaseRepresentation
bin111111110001010010…
…100010011000011100
320112201222102102212000
4333301102202120130
52110213001143131
651242251042300
74642550105406
oct776122423034
9215658372760
1068472677916
1127048050415
121132b440390
1365c2baa286
143457c3db76
151bab4bace6
hexff14a261c

68472677916 has 24 divisors (see below), whose sum is σ = 177521757840. Its totient is φ = 22824225936.

The previous prime is 68472677879. The next prime is 68472677921. The reversal of 68472677916 is 61977627486.

68472677916 is a `hidden beast` number, since 6 + 8 + 472 + 6 + 77 + 91 + 6 = 666.

68472677916 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317003031 + ... + 317003246.

It is an arithmetic number, because the mean of its divisors is an integer number (7396739910).

Almost surely, 268472677916 is an apocalyptic number.

It is an amenable number.

68472677916 is an abundant number, since it is smaller than the sum of its proper divisors (109049079924).

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

68472677916 is a wasteful number, since it uses less digits than its factorization.

68472677916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634006290 (or 634006282 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The spelling of 68472677916 in words is "sixty-eight billion, four hundred seventy-two million, six hundred seventy-seven thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 634006277 1268012554 1902018831 2536025108 3804037662 5706056493 7608075324 11412112986 17118169479 22824225972 34236338958 68472677916