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68754445786 = 2136780948787
BaseRepresentation
bin100000000001000010…
…1011001010111011010
320120110121121201201001
41000002011121113122
52111302114231121
651330234215214
74652541101155
oct1000205312732
9216417551631
1068754445786
1127182101824
12113a988450a
136639393520
143483428c9c
151bc60c7991
hex10021595da

68754445786 has 32 divisors (see below), whose sum is σ = 112864207680. Its totient is φ = 31219917696.

The previous prime is 68754445769. The next prime is 68754445801.

68754445786 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1384885 + ... + 1433671.

It is an arithmetic number, because the mean of its divisors is an integer number (3527006490).

Almost surely, 268754445786 is an apocalyptic number.

68754445786 is a deficient number, since it is larger than the sum of its proper divisors (44109761894).

68754445786 is a wasteful number, since it uses less digits than its factorization.

68754445786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49678.

The product of its digits is 180633600, while the sum is 64.

The spelling of 68754445786 in words is "sixty-eight billion, seven hundred fifty-four million, four hundred forty-five thousand, seven hundred eighty-six".

Divisors: 1 2 13 26 67 134 809 871 1618 1742 10517 21034 48787 54203 97574 108406 634231 704639 1268462 1409278 3268729 6537458 39468683 42493477 78937366 84986954 513092879 1026185758 2644401761 5288803522 34377222893 68754445786