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142102141133 = 372929111733
BaseRepresentation
bin1000010001010111110…
…0101001100011001101
3111120210100020201021012
42010111330221203031
54312011122004013
6145140354015005
713160265161441
oct2042574514315
9446710221235
10142102141133
11552a0a54967
1223659877465
131052824c5a4
146c408b4821
153a6a55d1a8
hex2115f298cd

142102141133 has 12 divisors (see below), whose sum is σ = 146205056340. Its totient is φ = 138111478272.

The previous prime is 142102141123. The next prime is 142102141141. The reversal of 142102141133 is 331141201241.

It can be written as a sum of positive squares in 6 ways, for example, as 6263456164 + 135838684969 = 79142^2 + 368563^2 .

It is not a de Polignac number, because 142102141133 - 210 = 142102140109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142102141099 and 142102141108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142102141123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1215935 + ... + 1327667.

It is an arithmetic number, because the mean of its divisors is an integer number (12183754695).

Almost surely, 2142102141133 is an apocalyptic number.

It is an amenable number.

142102141133 is a deficient number, since it is larger than the sum of its proper divisors (4102915207).

142102141133 is an equidigital number, since it uses as much as digits as its factorization.

142102141133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112736 (or 112699 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 142102141133 its reverse (331141201241), we get a palindrome (473243342374).

The spelling of 142102141133 in words is "one hundred forty-two billion, one hundred two million, one hundred forty-one thousand, one hundred thirty-three".

Divisors: 1 37 929 1369 34373 111733 1271801 4134121 103799957 152962477 3840598409 142102141133