Base | Representation |
---|---|
bin | 1010001011001001… |
… | …1100110010111110 |
3 | 21001100002222201101 |
4 | 2202302130302332 |
5 | 21043132243032 |
6 | 1131001403314 |
7 | 124452154132 |
oct | 24262346276 |
9 | 7040088641 |
10 | 2731134142 |
11 | 1181721560 |
12 | 64279953a |
13 | 346a97a09 |
14 | 1bca193c2 |
15 | 10eb84de7 |
hex | a2c9ccbe |
2731134142 has 16 divisors (see below), whose sum is σ = 4470142464. Its totient is φ = 1241143000.
The previous prime is 2731134137. The next prime is 2731134179. The reversal of 2731134142 is 2414311372.
It is a self number, because there is not a number n which added to its sum of digits gives 2731134142.
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 7 ways as a sum of consecutive naturals, for example, 109017 + ... + 131707.
It is an arithmetic number, because the mean of its divisors is an integer number (279383904).
Almost surely, 22731134142 is an apocalyptic number.
2731134142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2731134142 is a deficient number, since it is larger than the sum of its proper divisors (1739008322).
2731134142 is a wasteful number, since it uses less digits than its factorization.
2731134142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28175.
The product of its digits is 4032, while the sum is 28.
The square root of 2731134142 is about 52260.2539412123. The cubic root of 2731134142 is about 1397.8085002221.
The spelling of 2731134142 in words is "two billion, seven hundred thirty-one million, one hundred thirty-four thousand, one hundred forty-two".
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