Base | Representation |
---|---|
bin | 10100111101001001001… |
… | …101000101011110010111 |
3 | 12002200000000110212212222 |
4 | 110331021031011132113 |
5 | 142043201301224343 |
6 | 3021313554132555 |
7 | 206016405555440 |
oct | 24751115053627 |
9 | 5080000425788 |
10 | 1440042211223 |
11 | 50579a317240 |
12 | 1b310b28115b |
13 | a5a45648595 |
14 | 4d9ac6442c7 |
15 | 276d36d3a68 |
hex | 14f49345797 |
1440042211223 has 32 divisors (see below), whose sum is σ = 1821660364800. Its totient is φ = 1105802530560.
The previous prime is 1440042211147. The next prime is 1440042211297. The reversal of 1440042211223 is 3221122400441.
It is not a de Polignac number, because 1440042211223 - 222 = 1440038016919 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1440042211192 and 1440042211201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1440042214223) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 962915 + ... + 1951227.
It is an arithmetic number, because the mean of its divisors is an integer number (56926886400).
Almost surely, 21440042211223 is an apocalyptic number.
1440042211223 is a deficient number, since it is larger than the sum of its proper divisors (381618153577).
1440042211223 is a wasteful number, since it uses less digits than its factorization.
1440042211223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 988607.
The product of its (nonzero) digits is 3072, while the sum is 26.
Adding to 1440042211223 its reverse (3221122400441), we get a palindrome (4661164611664).
The spelling of 1440042211223 in words is "one trillion, four hundred forty billion, forty-two million, two hundred eleven thousand, two hundred twenty-three".
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