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2140927655 = 53171350743
BaseRepresentation
bin111111110011011…
…1111011010100111
312112012112101121212
41333212333122213
513341034141110
6552235302035
7104024404406
oct17746773247
95465471555
102140927655
119a95526a9
124b8baa91b
1328171a9c9
141644a163d
15c7e4de05
hex7f9bf6a7

2140927655 has 8 divisors (see below), whose sum is σ = 2577219552. Its totient is φ = 1707337888.

The previous prime is 2140927651. The next prime is 2140927687. The reversal of 2140927655 is 5567290412.

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 2140927655 - 22 = 2140927651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140927651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673787 + ... + 676956.

It is an arithmetic number, because the mean of its divisors is an integer number (322152444).

Almost surely, 22140927655 is an apocalyptic number.

2140927655 is a deficient number, since it is larger than the sum of its proper divisors (436291897).

2140927655 is a wasteful number, since it uses less digits than its factorization.

2140927655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351065.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 2140927655 is about 46270.1594442898. The cubic root of 2140927655 is about 1288.8449198060.

The spelling of 2140927655 in words is "two billion, one hundred forty million, nine hundred twenty-seven thousand, six hundred fifty-five".

Divisors: 1 5 317 1585 1350743 6753715 428185531 2140927655