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130216000 = 265341397
BaseRepresentation
bin1111100001011…
…11000001000000
3100002000122202211
413300233001000
5231313403000
620530551504
73140550325
oct760570100
9302018684
10130216000
116755a232
1237738594
1320c92bb5
1413418b4c
15b6727ba
hex7c2f040

130216000 has 112 divisors (see below), whose sum is σ = 331177392. Its totient is φ = 50688000.

The previous prime is 130215983. The next prime is 130216007. The reversal of 130216000 is 612031.

It can be written as a sum of positive squares in 8 ways, for example, as 67108864 + 63107136 = 8192^2 + 7944^2 .

It is not an unprimeable number, because it can be changed into a prime (130216007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327802 + ... + 328198.

It is an arithmetic number, because the mean of its divisors is an integer number (2956941).

Almost surely, 2130216000 is an apocalyptic number.

130216000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130216000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165588696).

130216000 is an abundant number, since it is smaller than the sum of its proper divisors (200961392).

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

130216000 is an equidigital number, since it uses as much as digits as its factorization.

130216000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 130216000 is about 11411.2225462481. Note that the first 3 decimals coincide. The cubic root of 130216000 is about 506.8601138818.

Adding to 130216000 its reverse (612031), we get a palindrome (130828031).

The spelling of 130216000 in words is "one hundred thirty million, two hundred sixteen thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 41 50 64 80 82 100 125 160 164 200 205 250 320 328 397 400 410 500 656 794 800 820 1000 1025 1312 1588 1600 1640 1985 2000 2050 2624 3176 3280 3970 4000 4100 5125 6352 6560 7940 8000 8200 9925 10250 12704 13120 15880 16277 16400 19850 20500 25408 31760 32554 32800 39700 41000 49625 63520 65108 65600 79400 81385 82000 99250 127040 130216 158800 162770 164000 198500 260432 317600 325540 328000 397000 406925 520864 635200 651080 794000 813850 1041728 1302160 1588000 1627700 2034625 2604320 3176000 3255400 4069250 5208640 6510800 8138500 13021600 16277000 26043200 32554000 65108000 130216000