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20130120301110 = 2352131314877527
BaseRepresentation
bin1001001001110111010001…
…01010110111101000110110
32122021102100200202200101020
410210323220222313220312
510114302441244113420
6110451352151442010
74145232101233221
oct444735052675066
978242320680336
1020130120301110
116461155134176
122311428686306
13b30354089551
144d84356c05b8
1524d96d55e340
hex124ee8ab7a36

20130120301110 has 32 divisors (see below), whose sum is σ = 48334960058112. Its totient is φ = 5365513043040.

The previous prime is 20130120301103. The next prime is 20130120301127. The reversal of 20130120301110 is 1110302103102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20130120301110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157374834 + ... + 157502693.

It is an arithmetic number, because the mean of its divisors is an integer number (1510467501816).

Almost surely, 220130120301110 is an apocalyptic number.

20130120301110 is an abundant number, since it is smaller than the sum of its proper divisors (28204839757002).

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

20130120301110 is a wasteful number, since it uses less digits than its factorization.

20130120301110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314879668.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20130120301110 its reverse (1110302103102), we get a palindrome (21240422404212).

The spelling of 20130120301110 in words is "twenty trillion, one hundred thirty billion, one hundred twenty million, three hundred one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 2131 4262 6393 10655 12786 21310 31965 63930 314877527 629755054 944632581 1574387635 1889265162 3148775270 4723162905 9446325810 671004010037 1342008020074 2013012030111 3355020050185 4026024060222 6710040100370 10065060150555 20130120301110