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2140554115 = 57149410461
BaseRepresentation
bin111111110010110…
…0100001110000011
312112011211102020001
41333211210032003
513340440212430
6552223300431
7104021260360
oct17745441603
95464742201
102140554115
119a9317a97
124b8a4a717
1328161998b
14164405467
15c7dc83ca
hex7f964383

2140554115 has 16 divisors (see below), whose sum is σ = 2955326400. Its totient is φ = 1457953920.

The previous prime is 2140554113. The next prime is 2140554121. The reversal of 2140554115 is 5114550412.

It is not a de Polignac number, because 2140554115 - 21 = 2140554113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140554113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200016 + ... + 210445.

It is an arithmetic number, because the mean of its divisors is an integer number (184707900).

Almost surely, 22140554115 is an apocalyptic number.

2140554115 is a deficient number, since it is larger than the sum of its proper divisors (814772285).

2140554115 is a wasteful number, since it uses less digits than its factorization.

2140554115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410622.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 2140554115 is about 46266.1227573697. The cubic root of 2140554115 is about 1288.7699580431.

The spelling of 2140554115 in words is "two billion, one hundred forty million, five hundred fifty-four thousand, one hundred fifteen".

Divisors: 1 5 7 35 149 745 1043 5215 410461 2052305 2873227 14366135 61158689 305793445 428110823 2140554115