Base | Representation |
---|---|
bin | 1000011110000110101… |
… | …0110011011010111101 |
3 | 111220121112120200211120 |
4 | 2013201222303122331 |
5 | 4341011110440122 |
6 | 150503450541153 |
7 | 13341056501415 |
oct | 2074152633275 |
9 | 456545520746 |
10 | 145520015037 |
11 | 56795289141 |
12 | 242524377b9 |
13 | 10951392b97 |
14 | 70867b5645 |
15 | 3bba64675c |
hex | 21e1ab36bd |
145520015037 has 32 divisors (see below), whose sum is σ = 205476432000. Its totient is φ = 91469226240.
The previous prime is 145520015027. The next prime is 145520015057. The reversal of 145520015037 is 730510025541.
It is not a de Polignac number, because 145520015037 - 26 = 145520014973 is a prime.
It is a super-2 number, since 2×1455200150372 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 145520014989 and 145520015007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145520015027) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639039 + ... + 836307.
It is an arithmetic number, because the mean of its divisors is an integer number (6421138500).
Almost surely, 2145520015037 is an apocalyptic number.
It is an amenable number.
145520015037 is a deficient number, since it is larger than the sum of its proper divisors (59956416963).
145520015037 is a wasteful number, since it uses less digits than its factorization.
145520015037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197501.
The product of its (nonzero) digits is 21000, while the sum is 33.
The spelling of 145520015037 in words is "one hundred forty-five billion, five hundred twenty million, fifteen thousand, thirty-seven".
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