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8131884134 = 211233602827
BaseRepresentation
bin1111001001011001…
…01011010001100110
3202222201120111220212
413210230223101212
5113123230243014
63422530255422
7405341606003
oct74454532146
922881514825
108131884134
1134a3266a00
1216ab427572
139c796b37a
14571dd88aa
15328d9c23e
hex1e4b2b466

8131884134 has 12 divisors (see below), whose sum is σ = 13407528372. Its totient is φ = 3696310860.

The previous prime is 8131884121. The next prime is 8131884143. The reversal of 8131884134 is 4314881318.

It is a super-2 number, since 2×81318841342 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8131884091 and 8131884100.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 16801172 + ... + 16801655.

It is an arithmetic number, because the mean of its divisors is an integer number (1117294031).

Almost surely, 28131884134 is an apocalyptic number.

8131884134 is a deficient number, since it is larger than the sum of its proper divisors (5275644238).

8131884134 is a wasteful number, since it uses less digits than its factorization.

8131884134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33602851 (or 33602840 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 8131884134 is about 90176.9601062267. The cubic root of 8131884134 is about 2010.9304977816.

The spelling of 8131884134 in words is "eight billion, one hundred thirty-one million, eight hundred eighty-four thousand, one hundred thirty-four".

Divisors: 1 2 11 22 121 242 33602827 67205654 369631097 739262194 4065942067 8131884134