Search a number
-
+
68476627908 = 22341359713881
BaseRepresentation
bin111111110001100001…
…100110101111000100
320112202020212010020000
4333301201212233010
52110220004043113
651242511441300
74642625506413
oct776141465704
9215666763200
1068476627908
112704a2a9077
1211330826230
1365c3961150
14345858b47a
151bab9eb373
hexff1866bc4

68476627908 has 240 divisors, whose sum is σ = 198861505920. Its totient is φ = 20415628800.

The previous prime is 68476627859. The next prime is 68476627909. The reversal of 68476627908 is 80972667486.

It is not an unprimeable number, because it can be changed into a prime (68476627909) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17642128 + ... + 17646008.

It is an arithmetic number, because the mean of its divisors is an integer number (828589608).

Almost surely, 268476627908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68476627908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99430752960).

68476627908 is an abundant number, since it is smaller than the sum of its proper divisors (130384878012).

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

68476627908 is a wasteful number, since it uses less digits than its factorization.

68476627908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040 (or 4029 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 68476627908 in words is "sixty-eight billion, four hundred seventy-six million, six hundred twenty-seven thousand, nine hundred eight".