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2106703409 = 71113262583
BaseRepresentation
bin111110110010001…
…1011111000110001
312102211010121210012
41331210123320301
513303304002114
6545013544305
7103130453306
oct17544337061
95384117705
102106703409
119911a74a8
124a9645095
132775c7085
1415db130ad
15c4e3d63e
hex7d91be31

2106703409 has 8 divisors (see below), whose sum is σ = 2155289472. Its totient is φ = 2058642880.

The previous prime is 2106703399. The next prime is 2106703411. The reversal of 2106703409 is 9043076012.

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 2106703409 - 224 = 2089926193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106703309) 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, 123269 + ... + 139314.

It is an arithmetic number, because the mean of its divisors is an integer number (269411184).

Almost surely, 22106703409 is an apocalyptic number.

It is an amenable number.

2106703409 is a deficient number, since it is larger than the sum of its proper divisors (48586063).

2106703409 is a wasteful number, since it uses less digits than its factorization.

2106703409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262767.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 2106703409 is about 45898.8388633089. The cubic root of 2106703409 is about 1281.9402964384.

The spelling of 2106703409 in words is "two billion, one hundred six million, seven hundred three thousand, four hundred nine".

Divisors: 1 71 113 8023 262583 18643393 29671879 2106703409