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142431215144211 = 32721171275809801
BaseRepresentation
bin100000011000101001011001…
…111110111100110100010011
3200200022021212021110101102100
4200120221121332330310103
5122132043112034103321
61222531555201051443
742000213201035400
oct4030513176746423
9620267767411370
10142431215144211
1141423814858274
1213b84159926b83
13616228a642826
1427259c98db2a7
15116ee69519326
hex818a59fbcd13

142431215144211 has 36 divisors (see below), whose sum is σ = 239527574166504. Its totient is φ = 81319761432000.

The previous prime is 142431215144083. The next prime is 142431215144221. The reversal of 142431215144211 is 112441512134241.

142431215144211 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 3 + 1 + 215 + 14 + 421 + 1 = 666.

142431215144211 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142431215144211 - 27 = 142431215144083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142431215144221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 137388490 + ... + 138421311.

Almost surely, 2142431215144211 is an apocalyptic number.

142431215144211 is a deficient number, since it is larger than the sum of its proper divisors (97096359022293).

142431215144211 is a wasteful number, since it uses less digits than its factorization.

142431215144211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275810992 (or 275810982 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

Adding to 142431215144211 its reverse (112441512134241), we get a palindrome (254872727278452).

The spelling of 142431215144211 in words is "one hundred forty-two trillion, four hundred thirty-one billion, two hundred fifteen million, one hundred forty-four thousand, two hundred eleven".

Divisors: 1 3 7 9 21 49 63 147 441 1171 3513 8197 10539 24591 57379 73773 172137 516411 275809801 827429403 1930668607 2482288209 5792005821 13514680249 17376017463 40544040747 121632122241 322973276971 968919830913 2260812938797 2906759492739 6782438816391 15825690571579 20347316449173 47477071714737 142431215144211