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12830288961528 = 2333793433219019
BaseRepresentation
bin1011101010110100100011…
…0100001101111111111000
31200102120012220020111212000
42322231020310031333320
53140202412433232103
643142053044021000
72462646343516563
oct272551064157770
950376186214760
1012830288961528
1140a73276a7705
121532719991760
13720b778659ac
14324dbc8cb4da
15173b2a3b9aa3
hexbab48d0dff8

12830288961528 has 128 divisors (see below), whose sum is σ = 36101504640000. Its totient is φ = 4221377462016.

The previous prime is 12830288961527. The next prime is 12830288961563. The reversal of 12830288961528 is 82516988203821.

12830288961528 is a `hidden beast` number, since 1 + 2 + 8 + 3 + 0 + 2 + 8 + 8 + 9 + 615 + 2 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12830288961521) 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, 58471203 + ... + 58690221.

It is an arithmetic number, because the mean of its divisors is an integer number (282043005000).

Almost surely, 212830288961528 is an apocalyptic number.

12830288961528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12830288961528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18050752320000).

12830288961528 is an abundant number, since it is smaller than the sum of its proper divisors (23271215678472).

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

12830288961528 is a wasteful number, since it uses less digits than its factorization.

12830288961528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222546 (or 222536 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 63.

The spelling of 12830288961528 in words is "twelve trillion, eight hundred thirty billion, two hundred eighty-eight million, nine hundred sixty-one thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 79 108 158 216 237 316 474 632 711 948 1422 1896 2133 2844 3433 4266 5688 6866 8532 10299 13732 17064 20598 27464 30897 41196 61794 82392 92691 123588 185382 219019 247176 271207 370764 438038 542414 657057 741528 813621 876076 1084828 1314114 1627242 1752152 1971171 2169656 2440863 2628228 3254484 3942342 4881726 5256456 5913513 6508968 7322589 7884684 9763452 11827026 14645178 15769368 17302501 19526904 23654052 29290356 34605002 47308104 51907503 58580712 69210004 103815006 138420008 155722509 207630012 311445018 415260024 467167527 622890036 751892227 934335054 1245780072 1503784454 1868670108 2255676681 3007568908 3737340216 4511353362 6015137816 6767030043 9022706724 13534060086 18045413448 20301090129 27068120172 40602180258 54136240344 59399485933 81204360516 118798971866 162408721032 178198457799 237597943732 356396915598 475195887464 534595373397 712793831196 1069190746794 1425587662392 1603786120191 2138381493588 3207572240382 4276762987176 6415144480764 12830288961528