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80130708 = 2235711777
BaseRepresentation
bin1001100011010…
…11001010010100
312120210001200000
410301223022110
5131003140313
611541251300
71662046140
oct461531224
9176701600
1080130708
1141260429
1222a03b30
13137a7a28
14a8dc220
15707c673
hex4c6b294

80130708 has 72 divisors (see below), whose sum is σ = 240082752. Its totient is φ = 22892544.

The previous prime is 80130703. The next prime is 80130719. The reversal of 80130708 is 80703108.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80130703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 916 + ... + 12692.

Almost surely, 280130708 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 80130708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120041376).

80130708 is an abundant number, since it is smaller than the sum of its proper divisors (159952044).

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

80130708 is a wasteful number, since it uses less digits than its factorization.

80130708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11803 (or 11789 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 80130708 is about 8951.5757272114. The cubic root of 80130708 is about 431.1214785259.

The spelling of 80130708 in words is "eighty million, one hundred thirty thousand, seven hundred eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 243 252 324 378 486 567 756 972 1134 1701 2268 3402 6804 11777 23554 35331 47108 70662 82439 105993 141324 164878 211986 247317 317979 329756 423972 494634 635958 741951 953937 989268 1271916 1483902 1907874 2225853 2861811 2967804 3815748 4451706 5723622 6677559 8903412 11447244 13355118 20032677 26710236 40065354 80130708