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84680464881 = 337762887071
BaseRepresentation
bin100111011011101011…
…0010101100111110001
322002120112020022210010
41032313112111213301
52341411144334011
6102522432125133
76055314034545
oct1166726254761
9262515208703
1084680464881
1132a04a07681
12144b33967a9
137ca6a15c6c
14415461da25
1523093581a6
hex13b75959f1

84680464881 has 8 divisors (see below), whose sum is σ = 115958834944. Its totient is φ = 54927869040.

The previous prime is 84680464879. The next prime is 84680464907. The reversal of 84680464881 is 18846408648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84680464881 - 21 = 84680464879 is a prime.

It is a super-2 number, since 2×846804648812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84680464181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381443425 + ... + 381443646.

It is an arithmetic number, because the mean of its divisors is an integer number (14494854368).

Almost surely, 284680464881 is an apocalyptic number.

It is an amenable number.

84680464881 is a deficient number, since it is larger than the sum of its proper divisors (31278370063).

84680464881 is a wasteful number, since it uses less digits than its factorization.

84680464881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762887111.

The product of its (nonzero) digits is 9437184, while the sum is 57.

The spelling of 84680464881 in words is "eighty-four billion, six hundred eighty million, four hundred sixty-four thousand, eight hundred eighty-one".

Divisors: 1 3 37 111 762887071 2288661213 28226821627 84680464881