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2109240748 = 223831376789
BaseRepresentation
bin111110110111000…
…0111010110101100
312102222220112100201
41331232013112230
513304431200443
6545144203244
7103161151636
oct17556072654
95388815321
102109240748
1199267a87a
124aa469524
13277ca4c64
141601b3a56
15c529034d
hex7db875ac

2109240748 has 12 divisors (see below), whose sum is σ = 3700811520. Its totient is φ = 1051866032.

The previous prime is 2109240743. The next prime is 2109240781. The reversal of 2109240748 is 8470429012.

It is not an unprimeable number, because it can be changed into a prime (2109240743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686863 + ... + 689926.

It is an arithmetic number, because the mean of its divisors is an integer number (308400960).

Almost surely, 22109240748 is an apocalyptic number.

It is an amenable number.

2109240748 is a deficient number, since it is larger than the sum of its proper divisors (1591570772).

2109240748 is a wasteful number, since it uses less digits than its factorization.

2109240748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377176 (or 1377174 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2109240748 is about 45926.4711032755. The cubic root of 2109240748 is about 1282.4547514077.

The spelling of 2109240748 in words is "two billion, one hundred nine million, two hundred forty thousand, seven hundred forty-eight".

Divisors: 1 2 4 383 766 1532 1376789 2753578 5507156 527310187 1054620374 2109240748