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130221010 = 2541931079
BaseRepresentation
bin1111100001100…
…00001111010010
3100002000220122101
413300300033102
5231314033020
620531031014
73140601043
oct760601722
9302026571
10130221010
1167562a77
123773b46a
1320c9526a
141341a8ca
15b67400a
hex7c303d2

130221010 has 16 divisors (see below), whose sum is σ = 234964800. Its totient is φ = 51962416.

The previous prime is 130221001. The next prime is 130221097. The reversal of 130221010 is 10122031.

It is a super-2 number, since 2×1302210102 = 33915022890840200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11350 + ... + 19729.

It is an arithmetic number, because the mean of its divisors is an integer number (14685300).

Almost surely, 2130221010 is an apocalyptic number.

130221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130221010 is a deficient number, since it is larger than the sum of its proper divisors (104743790).

130221010 is a wasteful number, since it uses less digits than its factorization.

130221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31505.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 130221010 is about 11411.4420648751. The cubic root of 130221010 is about 506.8666142008.

Adding to 130221010 its reverse (10122031), we get a palindrome (140343041).

The spelling of 130221010 in words is "one hundred thirty million, two hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 419 838 2095 4190 31079 62158 155395 310790 13022101 26044202 65110505 130221010