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115142665 = 5112093503
BaseRepresentation
bin1101101110011…
…11000000001001
322000122212001011
412313033000021
5213434031130
615231523521
72565460621
oct667170011
9260585034
10115142665
1159aa4430
12326895a1
131ab16071
1411413881
15a19652a
hex6dcf009

115142665 has 8 divisors (see below), whose sum is σ = 150732288. Its totient is φ = 83740080.

The previous prime is 115142639. The next prime is 115142693. The reversal of 115142665 is 566241511.

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

It is not a de Polignac number, because 115142665 - 211 = 115140617 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1046697 + ... + 1046806.

It is an arithmetic number, because the mean of its divisors is an integer number (18841536).

Almost surely, 2115142665 is an apocalyptic number.

It is an amenable number.

115142665 is a deficient number, since it is larger than the sum of its proper divisors (35589623).

115142665 is a wasteful number, since it uses less digits than its factorization.

115142665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093519.

The product of its digits is 7200, while the sum is 31.

The square root of 115142665 is about 10730.4550229708. The cubic root of 115142665 is about 486.4954233217.

The spelling of 115142665 in words is "one hundred fifteen million, one hundred forty-two thousand, six hundred sixty-five".

Divisors: 1 5 11 55 2093503 10467515 23028533 115142665