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2121079708 = 2211199242243
BaseRepresentation
bin111111001101101…
…0001101110011100
312110211012000100201
41332123101232130
513320444022313
6550250033244
7103363610566
oct17633215634
95424160321
102121079708
11999326640
124b2418824
1327a58b867
141619b6336
15c632d0dd
hex7e6d1b9c

2121079708 has 24 divisors (see below), whose sum is σ = 4069699200. Its totient is φ = 959278320.

The previous prime is 2121079679. The next prime is 2121079733. The reversal of 2121079708 is 8079701212.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 112366 + ... + 129877.

It is an arithmetic number, because the mean of its divisors is an integer number (169570800).

Almost surely, 22121079708 is an apocalyptic number.

It is an amenable number.

2121079708 is a deficient number, since it is larger than the sum of its proper divisors (1948619492).

2121079708 is a wasteful number, since it uses less digits than its factorization.

2121079708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242457 (or 242455 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 2121079708 is about 46055.1811200434. The cubic root of 2121079708 is about 1284.8497067180.

The spelling of 2121079708 in words is "two billion, one hundred twenty-one million, seventy-nine thousand, seven hundred eight".

Divisors: 1 2 4 11 22 44 199 398 796 2189 4378 8756 242243 484486 968972 2664673 5329346 10658692 48206357 96412714 192825428 530269927 1060539854 2121079708