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120243051 = 3223955901
BaseRepresentation
bin1110010101011…
…00001101101011
322101020222110100
413022230031223
5221240234201
615533120443
72660022555
oct712541553
9271228410
10120243051
1161968425
1234329123
131bbb0746
1411d804d5
15a852886
hex72ac36b

120243051 has 12 divisors (see below), whose sum is σ = 174414240. Its totient is φ = 79825200.

The previous prime is 120243031. The next prime is 120243107. The reversal of 120243051 is 150342021.

It is not a de Polignac number, because 120243051 - 26 = 120242987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120243031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25800 + ... + 30101.

It is an arithmetic number, because the mean of its divisors is an integer number (14534520).

Almost surely, 2120243051 is an apocalyptic number.

120243051 is a deficient number, since it is larger than the sum of its proper divisors (54171189).

120243051 is a wasteful number, since it uses less digits than its factorization.

120243051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56146 (or 56143 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120243051 is about 10965.5392480261. The cubic root of 120243051 is about 493.5751987969.

Adding to 120243051 its reverse (150342021), we get a palindrome (270585072).

It can be divided in two parts, 1202 and 43051, that added together give a triangular number (44253 = T297).

The spelling of 120243051 in words is "one hundred twenty million, two hundred forty-three thousand, fifty-one".

Divisors: 1 3 9 239 717 2151 55901 167703 503109 13360339 40081017 120243051