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120133020 = 223571032777
BaseRepresentation
bin1110010100100…
…01010110011100
322101001101112010
413022101112130
5221223224040
615530511220
72656054020
oct712212634
9271041463
10120133020
11618a2797
1234295510
131bb72637
1411d52380
15a82ee80
hex729159c

120133020 has 96 divisors (see below), whose sum is σ = 388297728. Its totient is φ = 27182592.

The previous prime is 120133007. The next prime is 120133021. The reversal of 120133020 is 20331021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120132987 and 120133005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120133021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41872 + ... + 44648.

It is an arithmetic number, because the mean of its divisors is an integer number (4044768).

Almost surely, 2120133020 is an apocalyptic number.

120133020 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 120133020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194148864).

120133020 is an abundant number, since it is smaller than the sum of its proper divisors (268164708).

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

120133020 is a wasteful number, since it uses less digits than its factorization.

120133020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899 (or 2897 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 120133020 is about 10960.5209730195. The cubic root of 120133020 is about 493.4246006373.

Adding to 120133020 its reverse (20331021), we get a palindrome (140464041).

The spelling of 120133020 in words is "one hundred twenty million, one hundred thirty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 103 105 140 206 210 309 412 420 515 618 721 1030 1236 1442 1545 2060 2163 2777 2884 3090 3605 4326 5554 6180 7210 8331 8652 10815 11108 13885 14420 16662 19439 21630 27770 33324 38878 41655 43260 55540 58317 77756 83310 97195 116634 166620 194390 233268 286031 291585 388780 572062 583170 858093 1144124 1166340 1430155 1716186 2002217 2860310 3432372 4004434 4290465 5720620 6006651 8008868 8580930 10011085 12013302 17161860 20022170 24026604 30033255 40044340 60066510 120133020