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120030231120 = 2435500125963
BaseRepresentation
bin110111111001001011…
…0111111101001010000
3102110211010001111210120
41233302112333221100
53431310214343440
6131050252230240
711446314062532
oct1576226775120
9373733044716
10120030231120
11469a4a33218
121b319a6b380
13b41b5405c7
145b49375852
1531c7977dd0
hex1bf25bfa50

120030231120 has 40 divisors (see below), whose sum is σ = 372093717216. Its totient is φ = 32008061568.

The previous prime is 120030231091. The next prime is 120030231121. The reversal of 120030231120 is 21132030021.

It is a tau number, because it is divible by the number of its divisors (40).

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 120030231120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120030231121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250062742 + ... + 250063221.

Almost surely, 2120030231120 is an apocalyptic number.

120030231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120030231120 is an abundant number, since it is smaller than the sum of its proper divisors (252063486096).

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

120030231120 is a wasteful number, since it uses less digits than its factorization.

120030231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500125979 (or 500125973 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120030231120 its reverse (21132030021), we get a palindrome (141162261141).

The spelling of 120030231120 in words is "one hundred twenty billion, thirty million, two hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 500125963 1000251926 1500377889 2000503852 2500629815 3000755778 4001007704 5001259630 6001511556 7501889445 8002015408 10002519260 12003023112 15003778890 20005038520 24006046224 30007557780 40010077040 60015115560 120030231120