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120133445 = 5163223661
BaseRepresentation
bin1110010100100…
…01011101000101
322101001102002212
413022101131011
5221223232240
615530513205
72656055165
oct712213505
9271042085
10120133445
11618a3043
1234295805
131bb728a3
1411d525a5
15a830165
hex7291745

120133445 has 16 divisors (see below), whose sum is σ = 145915392. Its totient is φ = 94944960.

The previous prime is 120133421. The next prime is 120133459. The reversal of 120133445 is 544331021.

It is not a de Polignac number, because 120133445 - 212 = 120129349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120133445.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 181415 + ... + 182075.

It is an arithmetic number, because the mean of its divisors is an integer number (9119712).

Almost surely, 2120133445 is an apocalyptic number.

It is an amenable number.

120133445 is a deficient number, since it is larger than the sum of its proper divisors (25781947).

120133445 is a wasteful number, since it uses less digits than its factorization.

120133445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 120133445 is about 10960.5403607669. The cubic root of 120133445 is about 493.4251825068.

Adding to 120133445 its reverse (544331021), we get a palindrome (664464466).

The spelling of 120133445 in words is "one hundred twenty million, one hundred thirty-three thousand, four hundred forty-five".

Divisors: 1 5 163 223 661 815 1115 3305 36349 107743 147403 181745 538715 737015 24026689 120133445