Base | Representation |
---|---|
bin | 1000011100111111001… |
… | …0000110100000110101 |
3 | 111212211121221020000110 |
4 | 2013033302012200311 |
5 | 4334402301011412 |
6 | 150414011133233 |
7 | 13330454052324 |
oct | 2071762064065 |
9 | 455747836013 |
10 | 145219938357 |
11 | 5665096208a |
12 | 24189a44219 |
13 | 10904169210 |
14 | 70589c20bb |
15 | 3b9e11ed3c |
hex | 21cfc86835 |
145219938357 has 16 divisors (see below), whose sum is σ = 209726270208. Its totient is φ = 88849544640.
The previous prime is 145219938341. The next prime is 145219938421. The reversal of 145219938357 is 753839912541.
It is a happy number.
It is not a de Polignac number, because 145219938357 - 24 = 145219938341 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 145219938297 and 145219938306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145219930357) 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, 10755069 + ... + 10768562.
It is an arithmetic number, because the mean of its divisors is an integer number (13107891888).
Almost surely, 2145219938357 is an apocalyptic number.
It is an amenable number.
145219938357 is a deficient number, since it is larger than the sum of its proper divisors (64506331851).
145219938357 is a wasteful number, since it uses less digits than its factorization.
145219938357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21523820.
The product of its digits is 8164800, while the sum is 57.
The spelling of 145219938357 in words is "one hundred forty-five billion, two hundred nineteen million, nine hundred thirty-eight thousand, three hundred fifty-seven".
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