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290856100105 = 5193061643159
BaseRepresentation
bin1000011101110000101…
…11111110000100001001
31000210202021001210012001
410032320113332010021
514231133130200410
6341341211351001
730004454026144
oct4167027760411
91023667053161
10290856100105
1110239575aa3a
1248453152461
132157360715c
141011298d05b
157874a5a33a
hex43b85fe109

290856100105 has 8 divisors (see below), whose sum is σ = 367397179200. Its totient is φ = 220438307376.

The previous prime is 290856100091. The next prime is 290856100111. The reversal of 290856100105 is 501001658092.

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 290856100105 - 213 = 290856091913 is a prime.

It is a super-2 number, since 2×2908561001052 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530821485 + ... + 1530821674.

It is an arithmetic number, because the mean of its divisors is an integer number (45924647400).

Almost surely, 2290856100105 is an apocalyptic number.

It is an amenable number.

290856100105 is a deficient number, since it is larger than the sum of its proper divisors (76541079095).

290856100105 is a wasteful number, since it uses less digits than its factorization.

290856100105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061643183.

The product of its (nonzero) digits is 21600, while the sum is 37.

Adding to 290856100105 its reverse (501001658092), we get a palindrome (791857758197).

The spelling of 290856100105 in words is "two hundred ninety billion, eight hundred fifty-six million, one hundred thousand, one hundred five".

Divisors: 1 5 19 95 3061643159 15308215795 58171220021 290856100105