Base | Representation |
---|---|
bin | 100001001011110010011000… |
… | …001110111011101001100000 |
3 | 201010202020221210220010202010 |
4 | 201023302120032323221200 |
5 | 123112132432422103443 |
6 | 1234222242354352520 |
7 | 42512134414004535 |
oct | 4113623016735140 |
9 | 633666853803663 |
10 | 145945542769248 |
11 | 42559180112172 |
12 | 14451282b8b740 |
13 | 63587b4750121 |
14 | 2807b32814d8c |
15 | 11d15a263d733 |
hex | 84bc983bba60 |
145945542769248 has 48 divisors (see below), whose sum is σ = 383151357146880. Its totient is φ = 48642887922816.
The previous prime is 145945542769237. The next prime is 145945542769261. The reversal of 145945542769248 is 842967245549541.
It is a tau number, because it is divible by the number of its divisors (48).
It is a self number, because there is not a number n which added to its sum of digits gives 145945542769248.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87077028 + ... + 88737251.
It is an arithmetic number, because the mean of its divisors is an integer number (7982319940560).
Almost surely, 2145945542769248 is an apocalyptic number.
It is an amenable number.
145945542769248 is an abundant number, since it is smaller than the sum of its proper divisors (237205814377632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145945542769248 is a wasteful number, since it uses less digits than its factorization.
145945542769248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175822939 (or 175822931 counting only the distinct ones).
The product of its digits is 3483648000, while the sum is 75.
The spelling of 145945542769248 in words is "one hundred forty-five trillion, nine hundred forty-five billion, five hundred forty-two million, seven hundred sixty-nine thousand, two hundred forty-eight".
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