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142420532503 = 7112791156823
BaseRepresentation
bin1000010010100011101…
…1001101110100010111
3111121121112100200010011
42010220323031310113
54313134124020003
6145232130141051
713201212360244
oct2045073156427
9447545320104
10142420532503
1155444750027
1223728421787
13105791b9552
146c70cb45cb
153a884a146d
hex2128ecdd17

142420532503 has 8 divisors (see below), whose sum is σ = 144438667776. Its totient is φ = 140402736600.

The previous prime is 142420532483. The next prime is 142420532521. The reversal of 142420532503 is 305235024241.

142420532503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142420532503 - 29 = 142420531991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142420532543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829750 + ... + 986572.

It is an arithmetic number, because the mean of its divisors is an integer number (18054833472).

Almost surely, 2142420532503 is an apocalyptic number.

142420532503 is a deficient number, since it is larger than the sum of its proper divisors (2018135273).

142420532503 is a wasteful number, since it uses less digits than its factorization.

142420532503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169685.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 142420532503 its reverse (305235024241), we get a palindrome (447655556744).

The spelling of 142420532503 in words is "one hundred forty-two billion, four hundred twenty million, five hundred thirty-two thousand, five hundred three".

Divisors: 1 71 12791 156823 908161 11134433 2005922993 142420532503