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115557101 = 1119155001
BaseRepresentation
bin1101110001101…
…00001011101101
322001102220112122
412320310023231
5214040311401
615244442325
72602135112
oct670641355
9261386478
10115557101
115a257840
12328493a5
131ac2c8aa
14114c0909
15a22921b
hex6e342ed

115557101 has 8 divisors (see below), whose sum is σ = 126724608. Its totient is φ = 104500000.

The previous prime is 115557061. The next prime is 115557103. The reversal of 115557101 is 101755511.

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

It is not a de Polignac number, because 115557101 - 214 = 115540717 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 (115557103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25400 + ... + 29601.

It is an arithmetic number, because the mean of its divisors is an integer number (15840576).

Almost surely, 2115557101 is an apocalyptic number.

115557101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115557101 is a deficient number, since it is larger than the sum of its proper divisors (11167507).

115557101 is a wasteful number, since it uses less digits than its factorization.

115557101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55203.

The product of its (nonzero) digits is 875, while the sum is 26.

The square root of 115557101 is about 10749.7488807879. The cubic root of 115557101 is about 487.0784096533.

The spelling of 115557101 in words is "one hundred fifteen million, five hundred fifty-seven thousand, one hundred one".

Divisors: 1 11 191 2101 55001 605011 10505191 115557101