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120013023100 = 225219211299359
BaseRepresentation
bin110111111000101010…
…1010110011101111100
3102110202220200020211111
41233301111112131330
53431241313214400
6131044435331404
711446014602425
oct1576125263574
9373686606744
10120013023100
114699624a613
121b314150b64
13b417ac6c49
145b46d7664c
1531c61c93ba
hex1bf155677c

120013023100 has 72 divisors (see below), whose sum is σ = 275435148800. Its totient is φ = 45262929600.

The previous prime is 120013023049. The next prime is 120013023223. The reversal of 120013023100 is 1320310021.

120013023100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1200130231002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 251221 + ... + 550579.

Almost surely, 2120013023100 is an apocalyptic number.

120013023100 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 120013023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137717574400).

120013023100 is an abundant number, since it is smaller than the sum of its proper divisors (155422125700).

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

120013023100 is a wasteful number, since it uses less digits than its factorization.

120013023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299603 (or 299596 counting only the distinct ones).

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

Adding to 120013023100 its reverse (1320310021), we get a palindrome (121333333121).

The spelling of 120013023100 in words is "one hundred twenty billion, thirteen million, twenty-three thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 211 380 422 475 844 950 1055 1900 2110 4009 4220 5275 8018 10550 16036 20045 21100 40090 80180 100225 200450 299359 400900 598718 1197436 1496795 2993590 5687821 5987180 7483975 11375642 14967950 22751284 28439105 29935900 56878210 63164749 113756420 126329498 142195525 252658996 284391050 315823745 568782100 631647490 1200130231 1263294980 1579118725 2400260462 3158237450 4800520924 6000651155 6316474900 12001302310 24002604620 30003255775 60006511550 120013023100