Base | Representation |
---|---|
bin | 101011000101001… |
… | …1100000100110100 |
3 | 10201202002220212100 |
4 | 1112022130010310 |
5 | 10430031431022 |
6 | 355235422100 |
7 | 50552126145 |
oct | 12612340464 |
9 | 3652086770 |
10 | 1445577012 |
11 | 681a99450 |
12 | 344154930 |
13 | 1a0648919 |
14 | d9db7acc |
15 | 86d991ac |
hex | 5629c134 |
1445577012 has 36 divisors (see below), whose sum is σ = 3986289216. Its totient is φ = 438053520.
The previous prime is 1445577011. The next prime is 1445577037. The reversal of 1445577012 is 2107755441.
It is a tau number, because it is divible by the number of its divisors (36).
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1445577011) by changing a digit.
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, 1824828 + ... + 1825619.
It is an arithmetic number, because the mean of its divisors is an integer number (110730256).
Almost surely, 21445577012 is an apocalyptic number.
1445577012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1445577012 is an abundant number, since it is smaller than the sum of its proper divisors (2540712204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1445577012 is a wasteful number, since it uses less digits than its factorization.
1445577012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3650468 (or 3650463 counting only the distinct ones).
The product of its (nonzero) digits is 39200, while the sum is 36.
The square root of 1445577012 is about 38020.7444956040. The cubic root of 1445577012 is about 1130.6991814657.
The spelling of 1445577012 in words is "one billion, four hundred forty-five million, five hundred seventy-seven thousand, twelve".
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