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142242155000 = 2354112235111
BaseRepresentation
bin1000010001111001001…
…0110000100111111000
3111121011002201011011222
42010132102300213320
54312302442430000
6145202315011212
713163615240231
oct2043622604770
9447132634158
10142242155000
1155362a96400
1223698739b08
131054b26302a
146c55320088
153a779b8a85
hex211e4b09f8

142242155000 has 120 divisors (see below), whose sum is σ = 366326831640. Its totient is φ = 51724200000.

The previous prime is 142242154981. The next prime is 142242155017. The reversal of 142242155000 is 551242241.

It is a congruent number.

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 29 ways as a sum of consecutive naturals, for example, 487445 + ... + 722555.

It is an arithmetic number, because the mean of its divisors is an integer number (3052723597).

Almost surely, 2142242155000 is an apocalyptic number.

142242155000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142242155000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183163415820).

142242155000 is an abundant number, since it is smaller than the sum of its proper divisors (224084676640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142242155000 is a wasteful number, since it uses less digits than its factorization.

142242155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235159 (or 235129 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 142242155000 its reverse (551242241), we get a palindrome (142793397241).

The spelling of 142242155000 in words is "one hundred forty-two billion, two hundred forty-two million, one hundred fifty-five thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 121 125 200 220 242 250 275 440 484 500 550 605 625 968 1000 1100 1210 1250 1375 2200 2420 2500 2750 3025 4840 5000 5500 6050 6875 11000 12100 13750 15125 24200 27500 30250 55000 60500 75625 121000 151250 235111 302500 470222 605000 940444 1175555 1880888 2351110 2586221 4702220 5172442 5877775 9404440 10344884 11755550 12931105 20689768 23511100 25862210 28448431 29388875 47022200 51724420 56896862 58777750 64655525 103448840 113793724 117555500 129311050 142242155 146944375 227587448 235111000 258622100 284484310 293888750 323277625 517244200 568968620 587777500 646555250 711210775 1137937240 1175555000 1293110500 1422421550 1616388125 2586221000 2844843100 3232776250 3556053875 5689686200 6465552500 7112107750 12931105000 14224215500 17780269375 28448431000 35560538750 71121077500 142242155000