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140223421444 = 22194782347699
BaseRepresentation
bin1000001010010111110…
…1111001110000000100
3111101221102002212100111
42002211331321300010
54244134143441234
6144230122322404
713062603262531
oct2024575716004
9441842085314
10140223421444
1154517513a67
1223214659404
13102b8c59b32
146b03189d88
1539aa655664
hex20a5f79c04

140223421444 has 48 divisors (see below), whose sum is σ = 264128256000. Its totient is φ = 64928043936.

The previous prime is 140223421439. The next prime is 140223421627. The reversal of 140223421444 is 444124322041.

It is a happy number.

It is a super-3 number, since 3×1402234214443 (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

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, 2915907 + ... + 2963605.

It is an arithmetic number, because the mean of its divisors is an integer number (5502672000).

Almost surely, 2140223421444 is an apocalyptic number.

It is an amenable number.

140223421444 is a deficient number, since it is larger than the sum of its proper divisors (123904834556).

140223421444 is a wasteful number, since it uses less digits than its factorization.

140223421444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48592 (or 48590 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 140223421444 its reverse (444124322041), we get a palindrome (584347743485).

The spelling of 140223421444 in words is "one hundred forty billion, two hundred twenty-three million, four hundred twenty-one thousand, four hundred forty-four".

Divisors: 1 2 4 19 38 47 76 94 188 823 893 1646 1786 3292 3572 15637 31274 38681 47699 62548 77362 95398 154724 190796 734939 906281 1469878 1812562 2241853 2939756 3625124 4483706 8967412 39256277 42595207 78512554 85190414 157025108 170380828 745869263 1491738526 1845045019 2983477052 3690090038 7380180076 35055855361 70111710722 140223421444