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1074885978672 = 2432111374953209
BaseRepresentation
bin11111010010001000011…
…00100110101000110000
310210202110122121022001200
433221010030212220300
5120102331302304142
62141443520531200
7140441451032322
oct17510414465060
93722418538050
101074885978672
11384947127070
121543a1180b00
137a490a5c21c
143a04bd1d612
151ce60ca964c
hexfa44326a30

1074885978672 has 120 divisors (see below), whose sum is σ = 3305613851280. Its totient is φ = 323345418240.

The previous prime is 1074885978619. The next prime is 1074885978737. The reversal of 1074885978672 is 2768795884701.

1074885978672 is a `hidden beast` number, since 1 + 0 + 7 + 488 + 5 + 9 + 78 + 6 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 1074885978672.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2259597 + ... + 2693612.

It is an arithmetic number, because the mean of its divisors is an integer number (27546782094).

Almost surely, 21074885978672 is an apocalyptic number.

1074885978672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1074885978672 is an abundant number, since it is smaller than the sum of its proper divisors (2230727872608).

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

1074885978672 is a wasteful number, since it uses less digits than its factorization.

1074885978672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953371 (or 4953362 counting only the distinct ones).

The product of its (nonzero) digits is 379330560, while the sum is 72.

It can be divided in two parts, 10748859 and 78672, that added together give a triangular number (10827531 = T4653).

The spelling of 1074885978672 in words is "one trillion, seventy-four billion, eight hundred eighty-five million, nine hundred seventy-eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 137 144 176 198 264 274 396 411 528 548 792 822 1096 1233 1507 1584 1644 2192 2466 3014 3288 4521 4932 6028 6576 9042 9864 12056 13563 18084 19728 24112 27126 36168 54252 72336 108504 217008 4953209 9906418 14859627 19812836 29719254 39625672 44578881 54485299 59438508 79251344 89157762 108970598 118877016 163455897 178315524 217941196 237754032 326911794 356631048 435882392 490367691 653823588 678589633 713262096 871764784 980735382 1307647176 1357179266 1961470764 2035768899 2615294352 2714358532 3922941528 4071537798 5428717064 6107306697 7464485963 7845883056 8143075596 10857434128 12214613394 14928971926 16286151192 22393457889 24429226788 29857943852 32572302384 44786915778 48858453576 59715887704 67180373667 89573831556 97716907152 119431775408 134360747334 179147663112 268721494668 358295326224 537442989336 1074885978672