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116142081 = 3113519457
BaseRepresentation
bin1101110110000…
…11000000000001
322002112121222120
412323003000001
5214213021311
615305154453
72610122436
oct673030001
9262477876
10116142081
115a6172a0
1232a8ba29
131b0a5c33
14115d3b8d
15a2e2706
hex6ec3001

116142081 has 8 divisors (see below), whose sum is σ = 168933984. Its totient is φ = 70389120.

The previous prime is 116142067. The next prime is 116142083. The reversal of 116142081 is 180241611.

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

It is not a de Polignac number, because 116142081 - 25 = 116142049 is a prime.

It is a super-2 number, since 2×1161420812 = 26977965958021122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116142083) 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, 1759696 + ... + 1759761.

It is an arithmetic number, because the mean of its divisors is an integer number (21116748).

Almost surely, 2116142081 is an apocalyptic number.

116142081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116142081 is a deficient number, since it is larger than the sum of its proper divisors (52791903).

116142081 is a wasteful number, since it uses less digits than its factorization.

116142081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519471.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 116142081 is about 10776.9235406029. The cubic root of 116142081 is about 487.8989323641.

Adding to 116142081 its reverse (180241611), we get a palindrome (296383692).

It can be divided in two parts, 11614 and 2081, that added together give a triangular number (13695 = T165).

The spelling of 116142081 in words is "one hundred sixteen million, one hundred forty-two thousand, eighty-one".

Divisors: 1 3 11 33 3519457 10558371 38714027 116142081