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1282036394452 = 2211171990208021
BaseRepresentation
bin10010101001111111010…
…100101110100111010100
311112120011022122202000011
4102221333110232213110
5132001102304110302
62420543121130004
7161424025356502
oct22517724564724
94476138582004
101282036394452
114547881384a0
12188573489904
1393b8459a548
144609d913672
1523536d5a5d7
hex12a7f52e9d4

1282036394452 has 48 divisors (see below), whose sum is σ = 2727890585280. Its totient is φ = 519598195200.

The previous prime is 1282036394437. The next prime is 1282036394459. The reversal of 1282036394452 is 2544936302821.

It is a junction number, because it is equal to n+sod(n) for n = 1282036394396 and 1282036394405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282036394459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45089799 + ... + 45118222.

It is an arithmetic number, because the mean of its divisors is an integer number (56831053860).

Almost surely, 21282036394452 is an apocalyptic number.

It is an amenable number.

1282036394452 is an abundant number, since it is smaller than the sum of its proper divisors (1445854190828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1282036394452 is a wasteful number, since it uses less digits than its factorization.

1282036394452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90208072 (or 90208070 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 1282036394452 in words is "one trillion, two hundred eighty-two billion, thirty-six million, three hundred ninety-four thousand, four hundred fifty-two".

Divisors: 1 2 4 11 17 19 22 34 38 44 68 76 187 209 323 374 418 646 748 836 1292 3553 7106 14212 90208021 180416042 360832084 992288231 1533536357 1713952399 1984576462 3067072714 3427904798 3969152924 6134145428 6855809596 16868899927 18853476389 29137190783 33737799854 37706952778 58274381566 67475599708 75413905556 116548763132 320509098613 641018197226 1282036394452