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142311241033 = 1310947018541
BaseRepresentation
bin1000010010001001101…
…0010011010101001001
3111121022220201002101221
42010202122103111021
54312423134203113
6145213223442041
713165414406233
oct2044232232511
9447286632357
10142311241033
1155398a927a5
12236b78b6321
131055c671840
146c60585253
153a7dab398d
hex2122693549

142311241033 has 4 divisors (see below), whose sum is σ = 153258259588. Its totient is φ = 131364222480.

The previous prime is 142311241021. The next prime is 142311241069. The reversal of 142311241033 is 330142113241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90232349769 + 52078891264 = 300387^2 + 228208^2 .

It is a cyclic number.

It is not a de Polignac number, because 142311241033 - 25 = 142311241001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142311240989 and 142311241007.

It is not an unprimeable number, because it can be changed into a prime (142311241073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5473509258 + ... + 5473509283.

It is an arithmetic number, because the mean of its divisors is an integer number (38314564897).

Almost surely, 2142311241033 is an apocalyptic number.

142311241033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142311241033 is a deficient number, since it is larger than the sum of its proper divisors (10947018555).

142311241033 is a wasteful number, since it uses less digits than its factorization.

142311241033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10947018554.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 142311241033 its reverse (330142113241), we get a palindrome (472453354274).

The spelling of 142311241033 in words is "one hundred forty-two billion, three hundred eleven million, two hundred forty-one thousand, thirty-three".

Divisors: 1 13 10947018541 142311241033