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120423305000 = 2354127189643
BaseRepresentation
bin111000000100111001…
…0011100111100101000
3102111211111200201210102
41300021302130330220
53433111331230000
6131153253204532
711462126126525
oct1601162347450
9374744621712
10120423305000
11470868a8469
121b409630748
13b481ac84bb
145b8565614c
1531ec21e3d5
hex1c09c9cf28

120423305000 has 80 divisors (see below), whose sum is σ = 284374970880. Its totient is φ = 47789784000.

The previous prime is 120423304979. The next prime is 120423305063. The reversal of 120423305000 is 503324021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 19 ways as a sum of consecutive naturals, for example, 540179 + ... + 729821.

It is an arithmetic number, because the mean of its divisors is an integer number (3554687136).

Almost surely, 2120423305000 is an apocalyptic number.

120423305000 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 120423305000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142187485440).

120423305000 is an abundant number, since it is smaller than the sum of its proper divisors (163951665880).

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

120423305000 is a wasteful number, since it uses less digits than its factorization.

120423305000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189796 (or 189777 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 120423305000 its reverse (503324021), we get a palindrome (120926629021).

The spelling of 120423305000 in words is "one hundred twenty billion, four hundred twenty-three million, three hundred five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 127 200 250 254 500 508 625 635 1000 1016 1250 1270 2500 2540 3175 5000 5080 6350 12700 15875 25400 31750 63500 79375 127000 158750 189643 317500 379286 635000 758572 948215 1517144 1896430 3792860 4741075 7585720 9482150 18964300 23705375 24084661 37928600 47410750 48169322 94821500 96338644 118526875 120423305 189643000 192677288 237053750 240846610 474107500 481693220 602116525 948215000 963386440 1204233050 2408466100 3010582625 4816932200 6021165250 12042330500 15052913125 24084661000 30105826250 60211652500 120423305000