Base | Representation |
---|---|
bin | 1000011101110110011… |
… | …0100010001111111000 |
3 | 111220102210012100220201 |
4 | 2013131212202033320 |
5 | 4340341124143011 |
6 | 150453012331544 |
7 | 13336300535536 |
oct | 2073546421770 |
9 | 456383170821 |
10 | 145451787256 |
11 | 5675a818646 |
12 | 24233613bb4 |
13 | 109401c4c09 |
14 | 707b6d5156 |
15 | 3bb466acc1 |
hex | 21dd9a23f8 |
145451787256 has 32 divisors (see below), whose sum is σ = 290709792000. Its totient is φ = 68026080096.
The previous prime is 145451787253. The next prime is 145451787263. The reversal of 145451787256 is 652787154541.
145451787256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 145451787197 and 145451787206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145451787251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6044446 + ... + 6068461.
It is an arithmetic number, because the mean of its divisors is an integer number (9084681000).
Almost surely, 2145451787256 is an apocalyptic number.
It is an amenable number.
145451787256 is a deficient number, since it is larger than the sum of its proper divisors (145258004744).
145451787256 is a wasteful number, since it uses less digits than its factorization.
145451787256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12113011 (or 12113007 counting only the distinct ones).
The product of its digits is 9408000, while the sum is 55.
The spelling of 145451787256 in words is "one hundred forty-five billion, four hundred fifty-one million, seven hundred eighty-seven thousand, two hundred fifty-six".
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