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142123240101 = 3149317949083
BaseRepresentation
bin1000010001011100110…
…1001000101010100101
3111120211210221122121110
42010113031020222211
54312032022140401
6145142430135233
713160642415453
oct2042715105245
9446753848543
10142123240101
1155301955927
1223664951519
131052c728c9b
146c436079d3
153a6c3299d6
hex2117348aa5

142123240101 has 8 divisors (see below), whose sum is σ = 190769450400. Its totient is φ = 94112928272.

The previous prime is 142123240079. The next prime is 142123240121. The reversal of 142123240101 is 101042321241.

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 142123240101 - 214 = 142123223717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142123240121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158974095 + ... + 158974988.

It is an arithmetic number, because the mean of its divisors is an integer number (23846181300).

Almost surely, 2142123240101 is an apocalyptic number.

It is an amenable number.

142123240101 is a deficient number, since it is larger than the sum of its proper divisors (48646210299).

142123240101 is a wasteful number, since it uses less digits than its factorization.

142123240101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317949235.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 142123240101 its reverse (101042321241), we get a palindrome (243165561342).

The spelling of 142123240101 in words is "one hundred forty-two billion, one hundred twenty-three million, two hundred forty thousand, one hundred one".

Divisors: 1 3 149 447 317949083 953847249 47374413367 142123240101