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80737999408 = 24113831197751
BaseRepresentation
bin100101100110001011…
…1000001101000110000
321201101202210022212101
41023030113001220300
52310322411440113
6101031315310144
75555522446243
oct1131427015060
9251352708771
1080737999408
113127154aa50
1213792bab354
1377c8cba261
143c9cba525a
15217819a2dd
hex12cc5c1a30

80737999408 has 40 divisors (see below), whose sum is σ = 171096477696. Its totient is φ = 36603240000.

The previous prime is 80737999339. The next prime is 80737999451. The reversal of 80737999408 is 80499973708.

It is a self number, because there is not a number n which added to its sum of digits gives 80737999408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531468 + ... + 666283.

Almost surely, 280737999408 is an apocalyptic number.

80737999408 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

80737999408 is an abundant number, since it is smaller than the sum of its proper divisors (90358478288).

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

80737999408 is a wasteful number, since it uses less digits than its factorization.

80737999408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198153 (or 1198147 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 80737999408 in words is "eighty billion, seven hundred thirty-seven million, nine hundred ninety-nine thousand, four hundred eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 383 766 1532 3064 4213 6128 8426 16852 33704 67408 1197751 2395502 4791004 9582008 13175261 19164016 26350522 52701044 105402088 210804176 458738633 917477266 1834954532 3669909064 5046124963 7339818128 10092249926 20184499852 40368999704 80737999408