Search a number
-
+
30143404143242 = 21337234713350703
BaseRepresentation
bin1101101101010010011101…
…11001010111001010001010
310221201200101122220000212122
412312221032321113022022
512422332142430040432
6144035404431411242
76230534440450325
oct666511671271212
9127650348800778
1030143404143242
119671822890415
123469bb1083b22
1313a8684347b90
14762d3cb437bc
153741747c0612
hex1b6a4ee5728a

30143404143242 has 32 divisors (see below), whose sum is σ = 50030534975232. Its totient is φ = 13530562657344.

The previous prime is 30143404143227. The next prime is 30143404143299. The reversal of 30143404143242 is 24234140434103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4417538 + ... + 8933165.

It is an arithmetic number, because the mean of its divisors is an integer number (1563454217976).

Almost surely, 230143404143242 is an apocalyptic number.

30143404143242 is a deficient number, since it is larger than the sum of its proper divisors (19887130831990).

30143404143242 is a wasteful number, since it uses less digits than its factorization.

30143404143242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13353102.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 30143404143242 its reverse (24234140434103), we get a palindrome (54377544577345).

The spelling of 30143404143242 in words is "thirty trillion, one hundred forty-three billion, four hundred four million, one hundred forty-three thousand, two hundred forty-two".

Divisors: 1 2 13 26 37 74 481 962 2347 4694 30511 61022 86839 173678 1128907 2257814 13350703 26701406 173559139 347118278 493976011 987952022 6421688143 12843376286 31334099941 62668199882 407343299233 814686598466 1159361697817 2318723395634 15071702071621 30143404143242