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130268800 = 275240709
BaseRepresentation
bin1111100001110…
…11111010000000
3100002010100012101
413300323322000
5231322100200
620532040144
73141160264
oct760737200
9302110171
10130268800
1167595972
1237763054
1320cb0c3c
14134300a4
15b68326a
hex7c3be80

130268800 has 48 divisors (see below), whose sum is σ = 321812550. Its totient is φ = 52106240.

The previous prime is 130268797. The next prime is 130268813. The reversal of 130268800 is 8862031.

It can be written as a sum of positive squares in 3 ways, for example, as 84787264 + 45481536 = 9208^2 + 6744^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17155 + ... + 23554.

Almost surely, 2130268800 is an apocalyptic number.

130268800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130268800 is an abundant number, since it is smaller than the sum of its proper divisors (191543750).

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

130268800 is an equidigital number, since it uses as much as digits as its factorization.

130268800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40733 (or 40716 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 130268800 is about 11413.5358237489. The cubic root of 130268800 is about 506.9286118586.

The spelling of 130268800 in words is "one hundred thirty million, two hundred sixty-eight thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 320 400 640 800 1600 3200 40709 81418 162836 203545 325672 407090 651344 814180 1017725 1302688 1628360 2035450 2605376 3256720 4070900 5210752 6513440 8141800 13026880 16283600 26053760 32567200 65134400 130268800