Base | Representation |
---|---|
bin | 1000011111100010000… |
… | …1100011010000000000 |
3 | 111221121021002222221112 |
4 | 2013320201203100000 |
5 | 4342302241343342 |
6 | 151005505342452 |
7 | 13353423664622 |
oct | 2077041432000 |
9 | 457537088845 |
10 | 145903465472 |
11 | 56971780126 |
12 | 2433a937a28 |
13 | 109b295b72b |
14 | 70c16acc12 |
15 | 3bde13b682 |
hex | 21f8863400 |
145903465472 has 44 divisors (see below), whose sum is σ = 293891163456. Its totient is φ = 72394782720.
The previous prime is 145903465451. The next prime is 145903465501. The reversal of 145903465472 is 274564309541.
It is a super-3 number, since 3×1459034654723 (a number of 34 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 145903465472.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 409688 + ... + 677975.
It is an arithmetic number, because the mean of its divisors is an integer number (6679344624).
Almost surely, 2145903465472 is an apocalyptic number.
It is an amenable number.
145903465472 is an abundant number, since it is smaller than the sum of its proper divisors (147987697984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145903465472 is a wasteful number, since it uses less digits than its factorization.
145903465472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1087814 (or 1087796 counting only the distinct ones).
The product of its (nonzero) digits is 3628800, while the sum is 50.
The spelling of 145903465472 in words is "one hundred forty-five billion, nine hundred three million, four hundred sixty-five thousand, four hundred seventy-two".
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