Base | Representation |
---|---|
bin | 1000011100111010011… |
… | …1000101000010011000 |
3 | 111212210020221001011210 |
4 | 2013032213011002120 |
5 | 4334332232142022 |
6 | 150412025423120 |
7 | 13330124641512 |
oct | 2071647050230 |
9 | 455706831153 |
10 | 145200271512 |
11 | 5664084a09a |
12 | 2418333aaa0 |
13 | 1090007162a |
14 | 7056142bb2 |
15 | 3b9c537a0c |
hex | 21ce9c5098 |
145200271512 has 32 divisors (see below), whose sum is σ = 363037362480. Its totient is φ = 48395199360.
The previous prime is 145200271499. The next prime is 145200271577. The reversal of 145200271512 is 215172002541.
It is a happy number.
It is a super-2 number, since 2×1452002715122 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 145200271512.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59203 + ... + 542130.
Almost surely, 2145200271512 is an apocalyptic number.
145200271512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145200271512 is an abundant number, since it is smaller than the sum of its proper divisors (217837090968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145200271512 is a wasteful number, since it uses less digits than its factorization.
145200271512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 611403 (or 611399 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 30.
The spelling of 145200271512 in words is "one hundred forty-five billion, two hundred million, two hundred seventy-one thousand, five hundred twelve".
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