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142003041420 = 22353491367789
BaseRepresentation
bin1000010001000000001…
…0100111010010001100
3111120112102202221000110
42010100002213102030
54311310234311140
6145122454000020
713154652636132
oct2042002472214
9446472687013
10142003041420
1155250018879
1223630646010
13105108627c6
146c31679752
153a619d5380
hex21100a748c

142003041420 has 48 divisors (see below), whose sum is σ = 397625770080. Its totient is φ = 37865834496.

The previous prime is 142003041409. The next prime is 142003041421. The reversal of 142003041420 is 24140300241.

It is not an unprimeable number, because it can be changed into a prime (142003041421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2060886 + ... + 2128674.

It is an arithmetic number, because the mean of its divisors is an integer number (8283870210).

Almost surely, 2142003041420 is an apocalyptic number.

142003041420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142003041420 is an abundant number, since it is smaller than the sum of its proper divisors (255622728660).

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

142003041420 is a wasteful number, since it uses less digits than its factorization.

142003041420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102714 (or 102712 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 142003041420 its reverse (24140300241), we get a palindrome (166143341661).

The spelling of 142003041420 in words is "one hundred forty-two billion, three million, forty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 34913 67789 69826 104739 135578 139652 174565 203367 209478 271156 338945 349130 406734 418956 523695 677890 698260 813468 1016835 1047390 1355780 2033670 2094780 4067340 2366717357 4733434714 7100152071 9466869428 11833586785 14200304142 23667173570 28400608284 35500760355 47334347140 71001520710 142003041420