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68655016 = 238839719
BaseRepresentation
bin1000001011110…
…01011110101000
311210012000222101
410011321132220
5120033430031
610451303144
71462362253
oct405713650
9153160871
1068655016
1135832591
121abaaab4
13112ba591
14919209a
156062361
hex41797a8

68655016 has 16 divisors (see below), whose sum is σ = 128887200. Its totient is φ = 34285104.

The previous prime is 68655011. The next prime is 68655031. The reversal of 68655016 is 61055686.

It is a super-2 number, since 2×686550162 = 9427022443920512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68655011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2205 + ... + 11923.

It is an arithmetic number, because the mean of its divisors is an integer number (8055450).

Almost surely, 268655016 is an apocalyptic number.

It is an amenable number.

68655016 is a deficient number, since it is larger than the sum of its proper divisors (60232184).

68655016 is a wasteful number, since it uses less digits than its factorization.

68655016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10608 (or 10604 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 68655016 is about 8285.8322454658. The cubic root of 68655016 is about 409.4718879584.

It can be divided in two parts, 6865 and 5016, that added together give a square (11881 = 1092).

The spelling of 68655016 in words is "sixty-eight million, six hundred fifty-five thousand, sixteen".

Divisors: 1 2 4 8 883 1766 3532 7064 9719 19438 38876 77752 8581877 17163754 34327508 68655016