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382644087085 = 51347891407323
BaseRepresentation
bin1011001000101110101…
…11010110100100101101
31100120200010100122100101
411210113113112210231
522232123341241320
6451441222431101
736434164034551
oct5442727264455
91316603318311
10382644087085
11138307680117
12621aa892491
132a1109a15a0
141473d117861
159e47d6ac0a
hex59175d692d

382644087085 has 32 divisors (see below), whose sum is σ = 510689733120. Its totient is φ = 273448293888.

The previous prime is 382644087083. The next prime is 382644087103. The reversal of 382644087085 is 580780446283.

It is a cyclic number.

It is not a de Polignac number, because 382644087085 - 21 = 382644087083 is a prime.

It is a super-2 number, since 2×3826440870852 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382644087083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 431767 + ... + 975556.

It is an arithmetic number, because the mean of its divisors is an integer number (15959054160).

Almost surely, 2382644087085 is an apocalyptic number.

It is an amenable number.

382644087085 is a deficient number, since it is larger than the sum of its proper divisors (128045646035).

382644087085 is a wasteful number, since it uses less digits than its factorization.

382644087085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407477.

The product of its (nonzero) digits is 10321920, while the sum is 55.

The spelling of 382644087085 in words is "three hundred eighty-two billion, six hundred forty-four million, eighty-seven thousand, eighty-five".

Divisors: 1 5 13 47 65 89 235 445 611 1157 3055 4183 5785 20915 54379 271895 1407323 7036615 18295199 66144181 91475995 125251747 330720905 626258735 859874353 1628272711 4299371765 5886832109 8141363555 29434160545 76528817417 382644087085