Search a number
-
+
8681036301868 = 227310037010781
BaseRepresentation
bin111111001010011011000…
…0101011100011000101100
31010201220021100100010021011
41332110312011130120230
52114212230243124433
630244002451315004
71554120113033140
oct176246605343054
933656240303234
108681036301868
112847674750837
12b825395aba64
134ac806293b38
14220243179220
15100c312543cd
hex7e53615c62c

8681036301868 has 12 divisors (see below), whose sum is σ = 17362072603792. Its totient is φ = 3720444129360.

The previous prime is 8681036301851. The next prime is 8681036301869.

8681036301868 is nontrivially palindromic in base 10.

8681036301868 is an admirable number.

It is a super-3 number, since 3×86810363018683 (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8681036301869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155018505363 + ... + 155018505418.

Almost surely, 28681036301868 is an apocalyptic number.

It is an amenable number.

8681036301868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8681036301868 is a wasteful number, since it uses less digits than its factorization.

8681036301868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310037010792 (or 310037010790 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 58.

The spelling of 8681036301868 in words is "eight trillion, six hundred eighty-one billion, thirty-six million, three hundred one thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 310037010781 620074021562 1240148043124 2170259075467 4340518150934 8681036301868