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142323412131 = 3231355039181
BaseRepresentation
bin1000010010001100100…
…0101110110010100011
3111121100202121110000100
42010203020232302203
54312434243142011
6145214340353443
713165623020415
oct2044310566243
9447322543010
10142323412131
11553a494605a
12236bb9a5883
1310562043684
146c620329b5
153a7ebb9d56
hex212322eca3

142323412131 has 24 divisors (see below), whose sum is σ = 206295005696. Its totient is φ = 94551649920.

The previous prime is 142323412109. The next prime is 142323412163. The reversal of 142323412131 is 131214323241.

142323412131 is a `hidden beast` number, since 1 + 4 + 232 + 3 + 412 + 13 + 1 = 666.

It is not a de Polignac number, because 142323412131 - 26 = 142323412067 is a prime.

It is a super-2 number, since 2×1423234121312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142323412095 and 142323412104.

It is not an unprimeable number, because it can be changed into a prime (142323412031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15497361 + ... + 15506541.

Almost surely, 2142323412131 is an apocalyptic number.

142323412131 is a deficient number, since it is larger than the sum of its proper divisors (63971593565).

142323412131 is a wasteful number, since it uses less digits than its factorization.

142323412131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15003 (or 15000 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 142323412131 its reverse (131214323241), we get a palindrome (273537735372).

The spelling of 142323412131 in words is "one hundred forty-two billion, three hundred twenty-three million, four hundred twelve thousand, one hundred thirty-one".

Divisors: 1 3 9 313 939 2817 5503 9181 16509 27543 49527 82629 1722439 2873653 5167317 8620959 15501951 25862877 50523043 151569129 454707387 15813712459 47441137377 142323412131