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7990828912 = 2411236533023
BaseRepresentation
bin1110111000100101…
…00101111101110000
3202121220011011112101
413130102211331300
5112331123011122
63400531110144
7402006632203
oct73422457560
922556134471
107990828912
113430684040
121670142354
139a4681941
1455b39b93a
1531b7d8027
hex1dc4a5f70

7990828912 has 80 divisors (see below), whose sum is σ = 17656869888. Its totient is φ = 3467805440.

The previous prime is 7990828891. The next prime is 7990828931. The reversal of 7990828912 is 2198280997.

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, 2641833 + ... + 2644855.

Almost surely, 27990828912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7990828912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8828434944).

7990828912 is an abundant number, since it is smaller than the sum of its proper divisors (9666040976).

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

7990828912 is a wasteful number, since it uses less digits than its factorization.

7990828912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718 (or 3712 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 7990828912 is about 89391.4364578621. The cubic root of 7990828912 is about 1999.2354504359.

The spelling of 7990828912 in words is "seven billion, nine hundred ninety million, eight hundred twenty-eight thousand, nine hundred twelve".

Divisors: 1 2 4 8 11 16 22 23 44 46 88 92 176 184 253 368 506 653 1012 1306 2024 2612 3023 4048 5224 6046 7183 10448 12092 14366 15019 24184 28732 30038 33253 48368 57464 60076 66506 69529 114928 120152 133012 139058 165209 240304 266024 278116 330418 532048 556232 660836 764819 1112464 1321672 1529638 1974019 2643344 3059276 3948038 6118552 7896076 12237104 15792152 21714209 31584304 43428418 45402437 86856836 90804874 173713672 181609748 347427344 363219496 499426807 726438992 998853614 1997707228 3995414456 7990828912