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20120340134010 = 2357149943189139
BaseRepresentation
bin1001001001100101000011…
…01110011111100001111010
32122020111010002122201022010
410210302201232133201322
510114122424033242020
6110443053500510350
74144434533210424
oct444624156374172
978214102581263
1020120340134010
116457a96518946
12230b55924b3b6
13b2c455aab71c
144d7b88823814
1524d599b26de0
hex124ca1b9f87a

20120340134010 has 64 divisors (see below), whose sum is σ = 48970179901440. Its totient is φ = 5289720797760.

The previous prime is 20120340133979. The next prime is 20120340134039. The reversal of 20120340134010 is 1043104302102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106284021 + ... + 106473159.

It is an arithmetic number, because the mean of its divisors is an integer number (765159060960).

Almost surely, 220120340134010 is an apocalyptic number.

20120340134010 is an abundant number, since it is smaller than the sum of its proper divisors (28849839767430).

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

20120340134010 is a wasteful number, since it uses less digits than its factorization.

20120340134010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239163.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20120340134010 its reverse (1043104302102), we get a palindrome (21163444436112).

The spelling of 20120340134010 in words is "twenty trillion, one hundred twenty billion, three hundred forty million, one hundred thirty-four thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 49943 99886 149829 189139 249715 299658 378278 499430 567417 749145 945695 1134834 1498290 1891390 2837085 3545953 5674170 7091906 10637859 13428869 17729765 21275718 26857738 35459530 40286607 53189295 67144345 80573214 106378590 134288690 201433035 402866070 9446169077 18892338154 28338507231 47230845385 56677014462 94461690770 141692536155 283385072310 670678004467 1341356008934 2012034013401 3353390022335 4024068026802 6706780044670 10060170067005 20120340134010