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86478887468 = 2221619721867
BaseRepresentation
bin101000010001010001…
…0110001101000101100
322021012212021122210002
41100202202301220230
52404102043344333
6103421114403432
76151012262231
oct1204242615054
9267185248702
1086478887468
1133748094136
1214915730578
1382024a303c
144285405788
1523b219e0e8
hex14228b1a2c

86478887468 has 6 divisors (see below), whose sum is σ = 151338053076. Its totient is φ = 43239443732.

The previous prime is 86478887393. The next prime is 86478887503.

86478887468 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 86478887395 and 86478887404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10809860930 + ... + 10809860937.

It is an arithmetic number, because the mean of its divisors is an integer number (25223008846).

Almost surely, 286478887468 is an apocalyptic number.

It is an amenable number.

86478887468 is a deficient number, since it is larger than the sum of its proper divisors (64859165608).

86478887468 is a wasteful number, since it uses less digits than its factorization.

86478887468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21619721871 (or 21619721869 counting only the distinct ones).

The product of its digits is 924844032, while the sum is 74.

The spelling of 86478887468 in words is "eighty-six billion, four hundred seventy-eight million, eight hundred eighty-seven thousand, four hundred sixty-eight".

Divisors: 1 2 4 21619721867 43239443734 86478887468