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2154108082 = 27153864863
BaseRepresentation
bin1000000001100101…
…0001010010110010
312120010100000202211
42000121101102302
513402422424312
6553430002334
7104244421330
oct20031212262
95503300684
102154108082
11a05a35315
125014a63aa
13284384089
14166132b50
15c91a43a7
hex806514b2

2154108082 has 8 divisors (see below), whose sum is σ = 3692756736. Its totient is φ = 923189172.

The previous prime is 2154108043. The next prime is 2154108083. The reversal of 2154108082 is 2808014512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×21541080823 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2154108083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76932418 + ... + 76932445.

It is an arithmetic number, because the mean of its divisors is an integer number (461594592).

Almost surely, 22154108082 is an apocalyptic number.

2154108082 is a deficient number, since it is larger than the sum of its proper divisors (1538648654).

2154108082 is a wasteful number, since it uses less digits than its factorization.

2154108082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153864872.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 2154108082 is about 46412.3699244070. The cubic root of 2154108082 is about 1291.4843962595.

The spelling of 2154108082 in words is "two billion, one hundred fifty-four million, one hundred eight thousand, eighty-two".

Divisors: 1 2 7 14 153864863 307729726 1077054041 2154108082