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1982284884975 = 352120732189221
BaseRepresentation
bin11100110110001001011…
…000101110101111101111
321000111121211201202122210
4130312021120232233233
5224434204412304400
64114352112341503
7263133603340263
oct34661130565757
97014554652583
101982284884975
116a475615975a
1228021b244893
13114c0c36baa5
146bd2bc200a3
153686cb49950
hex1cd8962ebef

1982284884975 has 24 divisors (see below), whose sum is σ = 3277650637072. Its totient is φ = 1057130553600.

The previous prime is 1982284884949. The next prime is 1982284884977. The reversal of 1982284884975 is 5794884822891.

It is not a de Polignac number, because 1982284884975 - 28 = 1982284884719 is a prime.

It is a super-3 number, since 3×19822848849753 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1982284884897 and 1982284884906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982284884977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189136 + ... + 2000085.

Almost surely, 21982284884975 is an apocalyptic number.

1982284884975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1982284884975 is a deficient number, since it is larger than the sum of its proper divisors (1295365752097).

1982284884975 is a wasteful number, since it uses less digits than its factorization.

1982284884975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201307 (or 2201302 counting only the distinct ones).

The product of its digits is 743178240, while the sum is 75.

The spelling of 1982284884975 in words is "one trillion, nine hundred eighty-two billion, two hundred eighty-four million, eight hundred eighty-four thousand, nine hundred seventy-five".

Divisors: 1 3 5 15 25 75 12073 36219 60365 181095 301825 905475 2189221 6567663 10946105 32838315 54730525 164191575 26430465133 79291395399 132152325665 396456976995 660761628325 1982284884975