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4091050081 = 353105111027
BaseRepresentation
bin1111001111011000…
…0111100001100001
3101120010000212200101
43303312013201201
531334302100311
61513541222401
7203244231466
oct36366074141
911503025611
104091050081
11180a322528
12962101a01
135027505c1
142ab49566d
1518e25cec1
hexf3d87861

4091050081 has 8 divisors (see below), whose sum is σ = 4106915424. Its totient is φ = 4075209600.

The previous prime is 4091050063. The next prime is 4091050109. The reversal of 4091050081 is 1800501904.

It is a happy number.

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 4091050081 - 25 = 4091050049 is a prime.

It is a super-2 number, since 2×40910500812 = 33473381530500213122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4091050981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365490 + ... + 376516.

It is an arithmetic number, because the mean of its divisors is an integer number (513364428).

Almost surely, 24091050081 is an apocalyptic number.

It is an amenable number.

4091050081 is a deficient number, since it is larger than the sum of its proper divisors (15865343).

4091050081 is a wasteful number, since it uses less digits than its factorization.

4091050081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 4091050081 is about 63961.3170674276. The cubic root of 4091050081 is about 1599.3552194931.

Adding to 4091050081 its reverse (1800501904), we get a palindrome (5891551985).

The spelling of 4091050081 in words is "four billion, ninety-one million, fifty thousand, eighty-one".

Divisors: 1 353 1051 11027 371003 3892531 11589377 4091050081