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1030220100 = 2233527213599
BaseRepresentation
bin111101011001111…
…110100101000100
32122210112121022000
4331121332211010
54102214020400
6250121105300
734346504100
oct7531764504
92583477260
101030220100
11489594678
12249028230
1313558b3c0
149ab76900
15606a0600
hex3d67e944

1030220100 has 432 divisors, whose sum is σ = 4155984000. Its totient is φ = 217002240.

The previous prime is 1030220047. The next prime is 1030220131. The reversal of 1030220100 is 10220301.

It is a happy number.

It is a super-2 number, since 2×10302201002 = 2122706908888020000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1719601 + ... + 1720199.

Almost surely, 21030220100 is an apocalyptic number.

1030220100 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 1030220100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2077992000).

1030220100 is an abundant number, since it is smaller than the sum of its proper divisors (3125763900).

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

1030220100 is a wasteful number, since it uses less digits than its factorization.

1030220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1030220100 is about 32097.0419197782. The cubic root of 1030220100 is about 1009.9735639913.

Adding to 1030220100 its reverse (10220301), we get a palindrome (1040440401).

The spelling of 1030220100 in words is "one billion, thirty million, two hundred twenty thousand, one hundred".