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2103110989 = 7300444427
BaseRepresentation
bin111110101011010…
…1110110101001101
312102120101002220121
41331112232311031
513301344022424
6544404544541
7103055101630
oct17526566515
95376332817
102103110989
1198a173461
124a83b2151
13276939b95
1415d459c17
15c497dee4
hex7d5aed4d

2103110989 has 4 divisors (see below), whose sum is σ = 2403555424. Its totient is φ = 1802666556.

The previous prime is 2103110941. The next prime is 2103111013. The reversal of 2103110989 is 9890113012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2103110989 - 213 = 2103102797 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 (2103110939) 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, 150222207 + ... + 150222220.

It is an arithmetic number, because the mean of its divisors is an integer number (600888856).

Almost surely, 22103110989 is an apocalyptic number.

It is an amenable number.

2103110989 is a deficient number, since it is larger than the sum of its proper divisors (300444435).

2103110989 is an equidigital number, since it uses as much as digits as its factorization.

2103110989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300444434.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 2103110989 is about 45859.6880604306. The cubic root of 2103110989 is about 1281.2112129317.

The spelling of 2103110989 in words is "two billion, one hundred three million, one hundred ten thousand, nine hundred eighty-nine".

Divisors: 1 7 300444427 2103110989