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2126890208 = 25277239947
BaseRepresentation
bin111111011000101…
…1100010011100000
312111020010012212102
41332301130103200
513323440441313
6551014345532
7103464161042
oct17661342340
95436105772
102126890208
119a1635103
124b435b2a8
1327b844521
14162689a92
15c6ac9a58
hex7ec5c4e0

2126890208 has 24 divisors (see below), whose sum is σ = 4202449272. Its totient is φ = 1059601536.

The previous prime is 2126890187. The next prime is 2126890243. The reversal of 2126890208 is 8020986212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111110 + ... + 128837.

It is an arithmetic number, because the mean of its divisors is an integer number (175102053).

Almost surely, 22126890208 is an apocalyptic number.

It is an amenable number.

2126890208 is a deficient number, since it is larger than the sum of its proper divisors (2075559064).

2126890208 is a wasteful number, since it uses less digits than its factorization.

2126890208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240234 (or 240226 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 2126890208 is about 46118.2199136090. The cubic root of 2126890208 is about 1286.0218789889.

The spelling of 2126890208 in words is "two billion, one hundred twenty-six million, eight hundred ninety thousand, two hundred eight".

Divisors: 1 2 4 8 16 32 277 554 1108 2216 4432 8864 239947 479894 959788 1919576 3839152 7678304 66465319 132930638 265861276 531722552 1063445104 2126890208