Base | Representation |
---|---|
bin | 1000011101010111000… |
… | …0101111110011100101 |
3 | 111220002121200101220220 |
4 | 2013111300233303211 |
5 | 4340103440342001 |
6 | 150431553114553 |
7 | 13333112500023 |
oct | 2072560576345 |
9 | 456077611826 |
10 | 145320246501 |
11 | 566a2544081 |
12 | 241b7558a59 |
13 | 1091bb8a051 |
14 | 7068053713 |
15 | 3ba7d35c36 |
hex | 21d5c2fce5 |
145320246501 has 16 divisors (see below), whose sum is σ = 205202379264. Its totient is φ = 91284876144.
The previous prime is 145320246499. The next prime is 145320246509. The reversal of 145320246501 is 105642023541.
It is not a de Polignac number, because 145320246501 - 21 = 145320246499 is a prime.
It is a super-2 number, since 2×1453202465012 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145320246509) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15712471 + ... + 15721716.
It is an arithmetic number, because the mean of its divisors is an integer number (12825148704).
Almost surely, 2145320246501 is an apocalyptic number.
It is an amenable number.
145320246501 is a deficient number, since it is larger than the sum of its proper divisors (59882132763).
145320246501 is a wasteful number, since it uses less digits than its factorization.
145320246501 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31434280.
The product of its (nonzero) digits is 28800, while the sum is 33.
The spelling of 145320246501 in words is "one hundred forty-five billion, three hundred twenty million, two hundred forty-six thousand, five hundred one".
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