Base | Representation |
---|---|
bin | 1000011100110001011… |
… | …0011110000101010100 |
3 | 111212200121121002202222 |
4 | 2013030112132011110 |
5 | 4334243031110340 |
6 | 150404153121512 |
7 | 13326154504640 |
oct | 2071426360524 |
9 | 455617532688 |
10 | 145162363220 |
11 | 56621408026 |
12 | 241726b9298 |
13 | 108c525aba4 |
14 | 70510b5c20 |
15 | 3b9904a8b5 |
hex | 21cc59e154 |
145162363220 has 48 divisors (see below), whose sum is σ = 366725976960. Its totient is φ = 47150481024.
The previous prime is 145162363207. The next prime is 145162363223. The reversal of 145162363220 is 22363261541.
It is a super-2 number, since 2×1451623632202 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145162363223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27283499 + ... + 27288818.
It is an arithmetic number, because the mean of its divisors is an integer number (7640124520).
Almost surely, 2145162363220 is an apocalyptic number.
145162363220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145162363220 is an abundant number, since it is smaller than the sum of its proper divisors (221563613740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145162363220 is a wasteful number, since it uses less digits than its factorization.
145162363220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54572352 (or 54572350 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 35.
The spelling of 145162363220 in words is "one hundred forty-five billion, one hundred sixty-two million, three hundred sixty-three thousand, two hundred twenty".
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