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2104716820 = 225400726263
BaseRepresentation
bin111110101110011…
…0110111000010100
312102200101200200211
41331130312320110
513302301414240
6544503215204
7103104540433
oct17534667024
95380350624
102104716820
1199006a998
124a8a47504
1327707ca8b
1415d75711a
15c4b99bea
hex7d736e14

2104716820 has 24 divisors (see below), whose sum is σ = 4421176704. Its totient is φ = 841644576.

The previous prime is 2104716797. The next prime is 2104716827. The reversal of 2104716820 is 286174012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104716827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67009 + ... + 93271.

It is an arithmetic number, because the mean of its divisors is an integer number (184215696).

Almost surely, 22104716820 is an apocalyptic number.

2104716820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104716820 is an abundant number, since it is smaller than the sum of its proper divisors (2316459884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2104716820 is a wasteful number, since it uses less digits than its factorization.

2104716820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30279 (or 30277 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 2104716820 is about 45877.1928086277. The cubic root of 2104716820 is about 1281.5372197015.

The spelling of 2104716820 in words is "two billion, one hundred four million, seven hundred sixteen thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 4007 8014 16028 20035 26263 40070 52526 80140 105052 131315 262630 525260 105235841 210471682 420943364 526179205 1052358410 2104716820