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120130200 = 23325266739
BaseRepresentation
bin1110010100100…
…00101010011000
322101001020122200
413022100222120
5221223131300
615530450200
72656042551
oct712205230
9271036580
10120130200
11618a0663
1234293960
131bb71278
1411d51328
15a82e200
hex7290a98

120130200 has 72 divisors (see below), whose sum is σ = 403443300. Its totient is φ = 32034240.

The previous prime is 120130193. The next prime is 120130229. The reversal of 120130200 is 2031021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31570 + ... + 35169.

Almost surely, 2120130200 is an apocalyptic number.

120130200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120130200 is an abundant number, since it is smaller than the sum of its proper divisors (283313100).

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

120130200 is a wasteful number, since it uses less digits than its factorization.

120130200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66761 (or 66749 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 120130200 is about 10960.3923287444. The cubic root of 120130200 is about 493.4207397275.

Adding to 120130200 its reverse (2031021), we get a palindrome (122161221).

The spelling of 120130200 in words is "one hundred twenty million, one hundred thirty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 150 180 200 225 300 360 450 600 900 1800 66739 133478 200217 266956 333695 400434 533912 600651 667390 800868 1001085 1201302 1334780 1601736 1668475 2002170 2402604 2669560 3003255 3336950 4004340 4805208 5005425 6006510 6673900 8008680 10010850 12013020 13347800 15016275 20021700 24026040 30032550 40043400 60065100 120130200