Base | Representation |
---|---|
bin | 1000001011001100110… |
… | …0111100111000010111 |
3 | 111102111212221010000122 |
4 | 2002303030330320113 |
5 | 4300113020021411 |
6 | 144304133502155 |
7 | 13101240541223 |
oct | 2026314747027 |
9 | 442455833018 |
10 | 140445470231 |
11 | 54620896560 |
12 | 23276aa195b |
13 | 10322c63c51 |
14 | 6b2486b783 |
15 | 39bedb79db |
hex | 20b333ce17 |
140445470231 has 16 divisors (see below), whose sum is σ = 153757854720. Its totient is φ = 127224407520.
The previous prime is 140445470213. The next prime is 140445470251. The reversal of 140445470231 is 132074544041.
140445470231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 140445470231 - 226 = 140378361367 is a prime.
It is a super-2 number, since 2×1404454702312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 140445470191 and 140445470200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140445470201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5409026 + ... + 5434928.
It is an arithmetic number, because the mean of its divisors is an integer number (9609865920).
Almost surely, 2140445470231 is an apocalyptic number.
140445470231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
140445470231 is a deficient number, since it is larger than the sum of its proper divisors (13312384489).
140445470231 is a wasteful number, since it uses less digits than its factorization.
140445470231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27646.
The product of its (nonzero) digits is 53760, while the sum is 35.
The spelling of 140445470231 in words is "one hundred forty billion, four hundred forty-five million, four hundred seventy thousand, two hundred thirty-one".
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