Search a number
-
+
1440042211223 = 711127149988313
BaseRepresentation
bin10100111101001001001…
…101000101011110010111
312002200000000110212212222
4110331021031011132113
5142043201301224343
63021313554132555
7206016405555440
oct24751115053627
95080000425788
101440042211223
1150579a317240
121b310b28115b
13a5a45648595
144d9ac6442c7
15276d36d3a68
hex14f49345797

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".

Divisors: 1 7 11 77 127 149 889 1043 1397 1639 9779 11473 18923 132461 208153 988313 1457071 6918191 10871443 76100101 125515751 147258637 878610257 1030810459 1380673261 1619845007 9664712827 11338915049 18701846899 130912928293 205720315889 1440042211223