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61116901 = 1914292251
BaseRepresentation
bin1110100100100…
…1000111100101
311021000001121221
43221021013211
5111121220101
610021540341
71341325246
oct351110745
9137001557
1061116901
113155403a
12185746b1
13c87b461
14818cccd
155573aa1
hex3a491e5

61116901 has 8 divisors (see below), whose sum is σ = 64407200. Its totient is φ = 57834000.

The previous prime is 61116893. The next prime is 61116907. The reversal of 61116901 is 10961116.

61116901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 61116901 - 23 = 61116893 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 (61116907) by changing a digit.

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, 26026 + ... + 28276.

It is an arithmetic number, because the mean of its divisors is an integer number (8050900).

Almost surely, 261116901 is an apocalyptic number.

It is an amenable number.

61116901 is a deficient number, since it is larger than the sum of its proper divisors (3290299).

61116901 is a wasteful number, since it uses less digits than its factorization.

61116901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 61116901 is about 7817.7299134723. The cubic root of 61116901 is about 393.9010225752.

The spelling of 61116901 in words is "sixty-one million, one hundred sixteen thousand, nine hundred one".

Divisors: 1 19 1429 2251 27151 42769 3216679 61116901