Base | Representation |
---|---|
bin | 101010101010010… |
… | …0010100101101000 |
3 | 10200202112002101100 |
4 | 1111110202211220 |
5 | 10412422313122 |
6 | 354012521400 |
7 | 50321051346 |
oct | 12524424550 |
9 | 3622462340 |
10 | 1431447912 |
11 | 675019004 |
12 | 33b480260 |
13 | 19a73c7cb |
14 | d817a996 |
15 | 85a07aac |
hex | 55522968 |
1431447912 has 48 divisors (see below), whose sum is σ = 3898292580. Its totient is φ = 474508800.
The previous prime is 1431447893. The next prime is 1431447929. The reversal of 1431447912 is 2197441341.
It can be written as a sum of positive squares in 2 ways, for example, as 1424760516 + 6687396 = 37746^2 + 2586^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41889 + ... + 67952.
Almost surely, 21431447912 is an apocalyptic number.
1431447912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1431447912 is an abundant number, since it is smaller than the sum of its proper divisors (2466844668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1431447912 is a wasteful number, since it uses less digits than its factorization.
1431447912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110034 (or 110027 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 1431447912 is about 37834.4804642538. The cubic root of 1431447912 is about 1127.0032881079.
It can be divided in two parts, 14314 and 47912, that added together give a palindrome (62226).
The spelling of 1431447912 in words is "one billion, four hundred thirty-one million, four hundred forty-seven thousand, nine hundred twelve".
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