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7994224368 = 243413474491
BaseRepresentation
bin1110111000111111…
…00010111011110000
3202122010112200020000
413130133202323300
5112333010134433
63401131550000
7402050533404
oct73437427360
922563480200
107994224368
1134325930a9
1216712bb300
139a52a02a0
1455ba03104
1531bc59113
hex1dc7e2ef0

7994224368 has 100 divisors (see below), whose sum is σ = 24917472888. Its totient is φ = 2459756160.

The previous prime is 7994224351. The next prime is 7994224397. The reversal of 7994224368 is 8634224997.

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 19 ways as a sum of consecutive naturals, for example, 220398 + ... + 254093.

Almost surely, 27994224368 is an apocalyptic number.

7994224368 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7994224368 is an abundant number, since it is smaller than the sum of its proper divisors (16923248520).

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

7994224368 is a wasteful number, since it uses less digits than its factorization.

7994224368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474524 (or 474509 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 7994224368 is about 89410.4265060848. The cubic root of 7994224368 is about 1999.5185814607.

The spelling of 7994224368 in words is "seven billion, nine hundred ninety-four million, two hundred twenty-four thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 81 104 108 117 144 156 162 208 216 234 312 324 351 432 468 624 648 702 936 1053 1296 1404 1872 2106 2808 4212 5616 8424 16848 474491 948982 1423473 1897964 2846946 3795928 4270419 5693892 6168383 7591856 8540838 11387784 12336766 12811257 17081676 18505149 22775568 24673532 25622514 34163352 37010298 38433771 49347064 51245028 55515447 68326704 74020596 76867542 98694128 102490056 111030894 148041192 153735084 166546341 204980112 222061788 296082384 307470168 333092682 444123576 499639023 614940336 666185364 888247152 999278046 1332370728 1998556092 2664741456 3997112184 7994224368