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7998020112 = 2431674792083
BaseRepresentation
bin1110111001011100…
…00001101000010000
3202122101200112000010
413130232001220100
5112334443120422
63401345154520
7402125022615
oct73456015020
922571615003
107998020112
113434745985
12167262ba40
139a5ccbba4
1455c31050c
1531c258b0c
hex1dcb81a10

7998020112 has 80 divisors (see below), whose sum is σ = 20838666240. Its totient is φ = 2643240576.

The previous prime is 7998020099. The next prime is 7998020137. The reversal of 7998020112 is 2110208997.

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, 3838623 + ... + 3840705.

It is an arithmetic number, because the mean of its divisors is an integer number (260483328).

Almost surely, 27998020112 is an apocalyptic number.

It is an amenable number.

7998020112 is an abundant number, since it is smaller than the sum of its proper divisors (12840646128).

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

7998020112 is a wasteful number, since it uses less digits than its factorization.

7998020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740 (or 2734 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 7998020112 is about 89431.6505047290. The cubic root of 7998020112 is about 1999.8349957205.

The spelling of 7998020112 in words is "seven billion, nine hundred ninety-eight million, twenty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 167 334 479 501 668 958 1002 1336 1437 1916 2004 2083 2672 2874 3832 4008 4166 5748 6249 7664 8016 8332 11496 12498 16664 22992 24996 33328 49992 79993 99984 159986 239979 319972 347861 479958 639944 695722 959916 997757 1043583 1279888 1391444 1919832 1995514 2087166 2782888 2993271 3839664 3991028 4174332 5565776 5986542 7982056 8348664 11973084 15964112 16697328 23946168 47892336 166625419 333250838 499876257 666501676 999752514 1333003352 1999505028 2666006704 3999010056 7998020112