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2104023959 = 16211297979
BaseRepresentation
bin111110101101000…
…1101101110010111
312102122002111021022
41331122031232113
513302112231314
6544440311355
7103065623432
oct17532155627
95378074238
102104023959
1198a737384
124a877255b
13276b995bb
1415d616819
15c4aae78e
hex7d68db97

2104023959 has 4 divisors (see below), whose sum is σ = 2105323560. Its totient is φ = 2102724360.

The previous prime is 2104023941. The next prime is 2104023997. The reversal of 2104023959 is 9593204012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2104023959 - 28 = 2104023703 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 (2104023359) 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, 647369 + ... + 650610.

It is an arithmetic number, because the mean of its divisors is an integer number (526330890).

Almost surely, 22104023959 is an apocalyptic number.

2104023959 is a deficient number, since it is larger than the sum of its proper divisors (1299601).

2104023959 is a wasteful number, since it uses less digits than its factorization.

2104023959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299600.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2104023959 is about 45869.6409294862. The cubic root of 2104023959 is about 1281.3965793071.

The spelling of 2104023959 in words is "two billion, one hundred four million, twenty-three thousand, nine hundred fifty-nine".

Divisors: 1 1621 1297979 2104023959