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1108680047 = 3331332837
BaseRepresentation
bin100001000010101…
…0001110101101111
32212021011210002222
41002011101311233
54232310230142
6302002505555
736321424226
oct10205216557
92767153088
101108680047
11519903802
1226b3652bb
131488cc7c7
14a735bcbd
15674ecbd2
hex42151d6f

1108680047 has 4 divisors (see below), whose sum is σ = 1109016216. Its totient is φ = 1108343880.

The previous prime is 1108680043. The next prime is 1108680049. The reversal of 1108680047 is 7400868011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7400868011 = 19389519369.

It is a cyclic number.

It is not a de Polignac number, because 1108680047 - 22 = 1108680043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1108679989 and 1108680016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108680043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163088 + ... + 169749.

It is an arithmetic number, because the mean of its divisors is an integer number (277254054).

Almost surely, 21108680047 is an apocalyptic number.

1108680047 is a deficient number, since it is larger than the sum of its proper divisors (336169).

1108680047 is an equidigital number, since it uses as much as digits as its factorization.

1108680047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336168.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 1108680047 is about 33296.8474033203. The cubic root of 1108680047 is about 1034.9882289185.

It can be divided in two parts, 110868004 and 7, that added together give a palindrome (110868011).

The spelling of 1108680047 in words is "one billion, one hundred eight million, six hundred eighty thousand, forty-seven".

Divisors: 1 3331 332837 1108680047