Base | Representation |
---|---|
bin | 1000011111110000000… |
… | …0111011011101000000 |
3 | 111221202100022000101111 |
4 | 2013330000323131000 |
5 | 4342412234211340 |
6 | 151015400413104 |
7 | 13355034502513 |
oct | 2077400733500 |
9 | 457670260344 |
10 | 145962022720 |
11 | 569a1836048 |
12 | 24356477194 |
13 | 109c1b21aa7 |
14 | 70c9392d7a |
15 | 3be4356aea |
hex | 21fc03b740 |
145962022720 has 56 divisors (see below), whose sum is σ = 347630877000. Its totient is φ = 58374930432.
The previous prime is 145962022711. The next prime is 145962022799. The reversal of 145962022720 is 27220269541.
It can be written as a sum of positive squares in 4 ways, for example, as 59793942784 + 86168079936 = 244528^2 + 293544^2 .
It is a Harshad number since it is a multiple of its sum of digits (40).
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, 2028316 + ... + 2099044.
Almost surely, 2145962022720 is an apocalyptic number.
145962022720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145962022720 is an abundant number, since it is smaller than the sum of its proper divisors (201668854280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145962022720 is an equidigital number, since it uses as much as digits as its factorization.
145962022720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77195 (or 77185 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 40.
The spelling of 145962022720 in words is "one hundred forty-five billion, nine hundred sixty-two million, twenty-two thousand, seven hundred twenty".
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