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64889050279876 = 2240276872
BaseRepresentation
bin11101100000100001010001…
…10010101010111111000100
322111202022222111000212220221
432300100220302222333010
532001120233332424001
6350001341305234124
716445036104561024
oct1660205062527704
9274668874025827
1064889050279876
1119748323257799
12733bb23792944
132a2901b761294
14120490ab19a84
15777da6b2d1a1
hex3b0428caafc4

64889050279876 has 9 divisors (see below), whose sum is σ = 113555866183599. Its totient is φ = 32444517084564.

The previous prime is 64889050279849. The next prime is 64889050279909. The reversal of 64889050279876 is 67897205098846.

The square root of 64889050279876 is 8055374.

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

It is a super-3 number, since 3×648890502798763 (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64889050279796 and 64889050279805.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14096905 + ... + 18124591.

Almost surely, 264889050279876 is an apocalyptic number.

64889050279876 is the 8055374-th square number.

It is an amenable number.

64889050279876 is a deficient number, since it is larger than the sum of its proper divisors (48666815903723).

64889050279876 is an frugal number, since it uses more digits than its factorization.

64889050279876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8055378 (or 4027689 counting only the distinct ones).

The product of its (nonzero) digits is 2926264320, while the sum is 79.

The spelling of 64889050279876 in words is "sixty-four trillion, eight hundred eighty-nine billion, fifty million, two hundred seventy-nine thousand, eight hundred seventy-six".

Divisors: 1 2 4 4027687 8055374 16110748 16222262569969 32444525139938 64889050279876