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61164088806 = 2378887129223
BaseRepresentation
bin111000111101101010…
…011110110111100110
312211212122000122101110
4320331222132313212
52000231001320211
644033130405450
74263463114422
oct707552366746
9184778018343
1061164088806
1123a37596227
12ba2b890886
1359c9989c32
142d63315b82
1518cea47ea6
hexe3da9ede6

61164088806 has 16 divisors (see below), whose sum is σ = 122330674944. Its totient is φ = 20387613384.

The previous prime is 61164088801. The next prime is 61164088829. The reversal of 61164088806 is 60888046116.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61164088801) 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 7 ways as a sum of consecutive naturals, for example, 408711 + ... + 537933.

It is an arithmetic number, because the mean of its divisors is an integer number (7645667184).

Almost surely, 261164088806 is an apocalyptic number.

61164088806 is an abundant number, since it is smaller than the sum of its proper divisors (61166586138).

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

61164088806 is a wasteful number, since it uses less digits than its factorization.

61164088806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208115.

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 61164088806 in words is "sixty-one billion, one hundred sixty-four million, eighty-eight thousand, eight hundred six".

Divisors: 1 2 3 6 78887 129223 157774 236661 258446 387669 473322 775338 10194014801 20388029602 30582044403 61164088806