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7983196920 = 2333541180289
BaseRepresentation
bin1110110111101010…
…11110101011111000
3202121100210102102000
413123311132223320
5112322144300140
63400055341000
7401555024406
oct73365365370
922540712360
107983196920
113427341006
121669681760
139a2c0bb7a
1455a372476
1531accba30
hex1dbd5eaf8

7983196920 has 128 divisors (see below), whose sum is σ = 27259848000. Its totient is φ = 2076917760.

The previous prime is 7983196843. The next prime is 7983196933. The reversal of 7983196920 is 296913897.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45865 + ... + 134424.

Almost surely, 27983196920 is an apocalyptic number.

It is an amenable number.

7983196920 is an abundant number, since it is smaller than the sum of its proper divisors (19276651080).

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

7983196920 is a wasteful number, since it uses less digits than its factorization.

7983196920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180350 (or 180340 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 7983196920 is about 89348.7376519669. The cubic root of 7983196920 is about 1998.5987618284.

The spelling of 7983196920 in words is "seven billion, nine hundred eighty-three million, one hundred ninety-six thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 41 45 54 60 72 82 90 108 120 123 135 164 180 205 216 246 270 328 360 369 410 492 540 615 738 820 984 1080 1107 1230 1476 1640 1845 2214 2460 2952 3690 4428 4920 5535 7380 8856 11070 14760 22140 44280 180289 360578 540867 721156 901445 1081734 1442312 1622601 1802890 2163468 2704335 3245202 3605780 4326936 4867803 5408670 6490404 7211560 7391849 8113005 9735606 10817340 12980808 14783698 16226010 19471212 21634680 22175547 24339015 29567396 32452020 36959245 38942424 44351094 48678030 59134792 64904040 66526641 73918490 88702188 97356060 110877735 133053282 147836980 177404376 194712120 199579923 221755470 266106564 295673960 332633205 399159846 443510940 532213128 665266410 798319692 887021880 997899615 1330532820 1596639384 1995799230 2661065640 3991598460 7983196920