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12528808044408 = 23321391251879301
BaseRepresentation
bin1011011001010001011100…
…1001110010011101111000
31122100202001011201002201200
42312110113021302131320
53120232444324410113
642351353245414200
72432114354145465
oct266242711623570
948322034632650
1012528808044408
113aa048a574467
1214a420056a360
136cb5ccc96986
1431457cc1266c
1516ad82bd0873
hexb6517272778

12528808044408 has 48 divisors (see below), whose sum is σ = 34176304944600. Its totient is φ = 4146224241600.

The previous prime is 12528808044317. The next prime is 12528808044409. The reversal of 12528808044408 is 80444080882521.

It is a happy number.

12528808044408 is a `hidden beast` number, since 1 + 25 + 28 + 80 + 80 + 4 + 440 + 8 = 666.

It is a super-2 number, since 2×125288080444082 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528808044409) 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 11 ways as a sum of consecutive naturals, for example, 625929643 + ... + 625949658.

Almost surely, 212528808044408 is an apocalyptic number.

12528808044408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12528808044408 is an abundant number, since it is smaller than the sum of its proper divisors (21647496900192).

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

12528808044408 is a wasteful number, since it uses less digits than its factorization.

12528808044408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251879452 (or 1251879445 counting only the distinct ones).

The product of its (nonzero) digits is 5242880, while the sum is 54.

The spelling of 12528808044408 in words is "twelve trillion, five hundred twenty-eight billion, eight hundred eight million, forty-four thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 139 278 417 556 834 1112 1251 1668 2502 3336 5004 10008 1251879301 2503758602 3755637903 5007517204 7511275806 10015034408 11266913709 15022551612 22533827418 30045103224 45067654836 90135309672 174011222839 348022445678 522033668517 696044891356 1044067337034 1392089782712 1566101005551 2088134674068 3132202011102 4176269348136 6264404022204 12528808044408