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5129191146 = 238263103457
BaseRepresentation
bin1001100011011100…
…10011111011101010
3111020110110220111110
410301232103323222
541001033104041
62204544211150
7241051256022
oct46156237352
914213426443
105129191146
1121a2327252
12bb1909ab6
13639853161
143692d0a82
15200475516
hex131b93eea

5129191146 has 16 divisors (see below), whose sum is σ = 10259722944. Its totient is φ = 1709506944.

The previous prime is 5129191027. The next prime is 5129191147. The reversal of 5129191146 is 6411919215.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5129191147) by changing a digit.

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, 2151 + ... + 101306.

It is an arithmetic number, because the mean of its divisors is an integer number (641232684).

Almost surely, 25129191146 is an apocalyptic number.

5129191146 is an abundant number, since it is smaller than the sum of its proper divisors (5130531798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5129191146 is a wasteful number, since it uses less digits than its factorization.

5129191146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111725.

The product of its digits is 19440, while the sum is 39.

The square root of 5129191146 is about 71618.3715676362. The cubic root of 5129191146 is about 1724.5784752856.

The spelling of 5129191146 in words is "five billion, one hundred twenty-nine million, one hundred ninety-one thousand, one hundred forty-six".

Divisors: 1 2 3 6 8263 16526 24789 49578 103457 206914 310371 620742 854865191 1709730382 2564595573 5129191146