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68094380601 = 3213266912
BaseRepresentation
bin111111011010101111…
…011100101000111001
320111202121120221111100
4333122233130220321
52103424130134401
651140534522013
74630304453652
oct773257345071
9214677527440
1068094380601
1126973559005
1211244806309
1365626c7100
14341d8c8529
151b88192b86
hexfdabdca39

68094380601 has 27 divisors (see below), whose sum is σ = 106522515567. Its totient is φ = 41897971440.

The previous prime is 68094380587. The next prime is 68094380633. The reversal of 68094380601 is 10608349086.

The square root of 68094380601 is 260949.

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

68094380601 is a `hidden beast` number, since 6 + 8 + 0 + 9 + 4 + 38 + 0 + 601 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10073133225 + 58021247376 = 100365^2 + 240876^2 .

It is not a de Polignac number, because 68094380601 - 215 = 68094347833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68094380671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10173666 + ... + 10180356.

Almost surely, 268094380601 is an apocalyptic number.

68094380601 is the 260949-th square number.

68094380601 is the 130475-th centered octagonal number.

It is an amenable number.

68094380601 is a deficient number, since it is larger than the sum of its proper divisors (38428134966).

68094380601 is an frugal number, since it uses more digits than its factorization.

68094380601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13414 (or 6707 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 68094380601 in words is "sixty-eight billion, ninety-four million, three hundred eighty thousand, six hundred one".

Divisors: 1 3 9 13 39 117 169 507 1521 6691 20073 60219 86983 260949 782847 1130779 3392337 10177011 44769481 134308443 402925329 582003253 1746009759 5238029277 7566042289 22698126867 68094380601