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120053551 = 612517841
BaseRepresentation
bin1110010011111…
…01111100101111
322100220100111211
413021331330233
5221213203201
615525055251
72655303232
oct711757457
9270810454
10120053551
1161849012
1234257527
131bb45407
1411d31419
15a816651
hex727df2f

120053551 has 8 divisors (see below), whose sum is σ = 122523408. Its totient is φ = 117600000.

The previous prime is 120053513. The next prime is 120053561. The reversal of 120053551 is 155350021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120053551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120053501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11391 + ... + 19231.

It is an arithmetic number, because the mean of its divisors is an integer number (15315426).

Almost surely, 2120053551 is an apocalyptic number.

120053551 is a deficient number, since it is larger than the sum of its proper divisors (2469857).

120053551 is an equidigital number, since it uses as much as digits as its factorization.

120053551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8153.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 120053551 is about 10956.8951350280. The cubic root of 120053551 is about 493.3157751340.

The spelling of 120053551 in words is "one hundred twenty million, fifty-three thousand, five hundred fifty-one".

Divisors: 1 61 251 7841 15311 478301 1968091 120053551