Base | Representation |
---|---|
bin | 1000011100110100100… |
… | …0001001011001101100 |
3 | 111212201112002201021100 |
4 | 2013031020021121230 |
5 | 4334304344320313 |
6 | 150405340203100 |
7 | 13326403263243 |
oct | 2071510113154 |
9 | 455645081240 |
10 | 145175385708 |
11 | 566287a2011 |
12 | 24176b39490 |
13 | 108c7b6a3c2 |
14 | 7052b0595a |
15 | 3b9a26e173 |
hex | 21cd20966c |
145175385708 has 18 divisors (see below), whose sum is σ = 366971113964. Its totient is φ = 48391795224.
The previous prime is 145175385689. The next prime is 145175385727. The reversal of 145175385708 is 807583571541.
145175385708 is a `hidden beast` number, since 1 + 4 + 5 + 17 + 53 + 8 + 570 + 8 = 666.
It is an interprime number because it is at equal distance from previous prime (145175385689) and next prime (145175385727).
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×1451753857082 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2016324766 + ... + 2016324837.
Almost surely, 2145175385708 is an apocalyptic number.
145175385708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
145175385708 is an abundant number, since it is smaller than the sum of its proper divisors (221795728256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145175385708 is a wasteful number, since it uses less digits than its factorization.
145175385708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4032649613 (or 4032649608 counting only the distinct ones).
The product of its (nonzero) digits is 4704000, while the sum is 54.
The spelling of 145175385708 in words is "one hundred forty-five billion, one hundred seventy-five million, three hundred eighty-five thousand, seven hundred eight".
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