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1002220130 = 25100222013
BaseRepresentation
bin111011101111001…
…010101001100010
32120211212001120002
4323233022221202
54023032021010
6243241020002
733556505402
oct7357125142
92524761502
101002220130
114747aa8aa
1223b784602
1312c836882
1497168802
155cebe1a5
hex3bbcaa62

1002220130 has 8 divisors (see below), whose sum is σ = 1803996252. Its totient is φ = 400888048.

The previous prime is 1002220129. The next prime is 1002220133. The reversal of 1002220130 is 310222001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 977250121 + 24970009 = 31261^2 + 4997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1002220133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 50110997 + ... + 50111016.

Almost surely, 21002220130 is an apocalyptic number.

1002220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002220130 is a deficient number, since it is larger than the sum of its proper divisors (801776122).

1002220130 is a wasteful number, since it uses less digits than its factorization.

1002220130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100222020.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1002220130 is about 31657.8604772969. The cubic root of 1002220130 is about 1000.7394963437.

Adding to 1002220130 its reverse (310222001), we get a palindrome (1312442131).

The spelling of 1002220130 in words is "one billion, two million, two hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 100222013 200444026 501110065 1002220130