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30704889372880 = 24529109791205471
BaseRepresentation
bin1101111101101000010100…
…00001100010000011010000
311000201100200112102000220111
412332310022001202003100
513011032103134413010
6145145344220451104
76316232532244162
oct676641201420320
9130640615360814
1030704889372880
119868963637988
12353a9913a9a94
1314195c6843128
147821a5b96932
15383a8823458a
hex1bed0a0620d0

30704889372880 has 80 divisors (see below), whose sum is σ = 73857340684800. Its totient is φ = 11857350095360.

The previous prime is 30704889372863. The next prime is 30704889372991. The reversal of 30704889372880 is 8827398840703.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24868545 + ... + 26074015.

It is an arithmetic number, because the mean of its divisors is an integer number (923216758560).

Almost surely, 230704889372880 is an apocalyptic number.

It is an amenable number.

30704889372880 is an abundant number, since it is smaller than the sum of its proper divisors (43152451311920).

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

30704889372880 is a wasteful number, since it uses less digits than its factorization.

30704889372880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216492 (or 1216486 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 67.

The spelling of 30704889372880 in words is "thirty trillion, seven hundred four billion, eight hundred eighty-nine million, three hundred seventy-two thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 10979 21958 43916 54895 87832 109790 175664 219580 318391 439160 636782 878320 1205471 1273564 1591955 2410942 2547128 3183910 4821884 5094256 6027355 6367820 9643768 12054710 12735640 19287536 24109420 25471280 34958659 48218840 69917318 96437680 139834636 174793295 279669272 349586590 559338544 699173180 1398346360 2796692720 13234866109 26469732218 52939464436 66174330545 105878928872 132348661090 211757857744 264697322180 383811117161 529394644360 767622234322 1058789288720 1535244468644 1919055585805 3070488937288 3838111171610 6140977874576 7676222343220 15352444686440 30704889372880