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80103168 = 28343863
BaseRepresentation
bin1001100011001…
…00011100000000
312120201122220000
410301210130000
5131001300133
611540520000
71661602635
oct461443400
9176648800
1080103168
1141241772
12229b0000
1313798332
14a8d218c
157074413
hex4c64700

80103168 has 90 divisors (see below), whose sum is σ = 238914984. Its totient is φ = 26694144.

The previous prime is 80103157. The next prime is 80103173. The reversal of 80103168 is 86130108.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18805 + ... + 22667.

Almost surely, 280103168 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 80103168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119457492).

80103168 is an abundant number, since it is smaller than the sum of its proper divisors (158811816).

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

80103168 is an equidigital number, since it uses as much as digits as its factorization.

80103168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891 (or 3868 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 80103168 is about 8950.0373183580. The cubic root of 80103168 is about 431.0720823735.

The spelling of 80103168 in words is "eighty million, one hundred three thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 324 384 432 576 648 768 864 1152 1296 1728 2304 2592 3456 3863 5184 6912 7726 10368 11589 15452 20736 23178 30904 34767 46356 61808 69534 92712 104301 123616 139068 185424 208602 247232 278136 312903 370848 417204 494464 556272 625806 741696 834408 988928 1112544 1251612 1483392 1668816 2225088 2503224 2966784 3337632 4450176 5006448 6675264 8900352 10012896 13350528 20025792 26701056 40051584 80103168