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1220301130 = 255916312689
BaseRepresentation
bin100100010111100…
…0101000101001010
310011001012201110011
41020233011011022
54444344114010
6321031142134
742145250146
oct11057050512
93131181404
101220301130
11576912334
122a081494a
13165a81999
14b80d6226
15721eaa8a
hex48bc514a

1220301130 has 32 divisors (see below), whose sum is σ = 2247652800. Its totient is φ = 476865792.

The previous prime is 1220301127. The next prime is 1220301149. The reversal of 1220301130 is 311030221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220301130.

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 15 ways as a sum of consecutive naturals, for example, 89826 + ... + 102514.

It is an arithmetic number, because the mean of its divisors is an integer number (70239150).

Almost surely, 21220301130 is an apocalyptic number.

1220301130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220301130 is a deficient number, since it is larger than the sum of its proper divisors (1027351670).

1220301130 is a wasteful number, since it uses less digits than its factorization.

1220301130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12918.

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

The square root of 1220301130 is about 34932.8087905911. The cubic root of 1220301130 is about 1068.6176372220.

Adding to 1220301130 its reverse (311030221), we get a palindrome (1531331351).

The spelling of 1220301130 in words is "one billion, two hundred twenty million, three hundred one thousand, one hundred thirty".

Divisors: 1 2 5 10 59 118 163 295 326 590 815 1630 9617 12689 19234 25378 48085 63445 96170 126890 748651 1497302 2068307 3743255 4136614 7486510 10341535 20683070 122030113 244060226 610150565 1220301130