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68124132036 = 223241210612
BaseRepresentation
bin111111011100100000…
…111100001011000100
320111211200120110210100
4333130200330023010
52104004234211121
651143520324100
74631115365562
oct773440741304
9214750513710
1068124132036
1126989329774
1211252773630
136568912bcc
143423830a32
151b8aabd026
hexfdc83c2c4

68124132036 has 81 divisors (see below), whose sum is σ = 176671686919. Its totient is φ = 22133308800.

The previous prime is 68124132001. The next prime is 68124132053. The reversal of 68124132036 is 63023142186.

The square root of 68124132036 is 261006.

It is a perfect power (a square), and thus also a powerful number.

68124132036 is a `hidden beast` number, since 68 + 1 + 241 + 320 + 36 = 666.

68124132036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10466517636 + 57657614400 = 102306^2 + 240120^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 64206946 + ... + 64208006.

Almost surely, 268124132036 is an apocalyptic number.

68124132036 is the 261006-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68124132036

68124132036 is an abundant number, since it is smaller than the sum of its proper divisors (108547554883).

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

68124132036 is a wasteful number, since it uses less digits than its factorization.

68124132036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Multiplying 68124132036 by its sum of digits (36), we get a square (2452468753296 = 15660362).

68124132036 divided by its sum of digits (36) gives a square (1892337001 = 435012).

The spelling of 68124132036 in words is "sixty-eight billion, one hundred twenty-four million, one hundred thirty-two thousand, thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 41 82 123 164 246 369 492 738 1061 1476 1681 2122 3183 3362 4244 5043 6366 6724 9549 10086 12732 15129 19098 20172 30258 38196 43501 60516 87002 130503 174004 261006 391509 522012 783018 1125721 1566036 1783541 2251442 3377163 3567082 4502884 5350623 6754326 7134164 10131489 10701246 13508652 16051869 20262978 21402492 32103738 40525956 46154561 64207476 92309122 138463683 184618244 276927366 415391049 553854732 830782098 1661564196 1892337001 3784674002 5677011003 7569348004 11354022006 17031033009 22708044012 34062066018 68124132036