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142147477743 = 3193598837867
BaseRepresentation
bin1000010001100010100…
…1100110000011101111
3111120220111120001101220
42010120221212003233
54312104223241433
6145145053434423
713161355424235
oct2043051460357
9446814501356
10142147477743
11553145aaa37
1223670a9ba13
131053476419b
146c46916955
153a6e5162b3
hex2118a660ef

142147477743 has 32 divisors (see below), whose sum is σ = 200312985600. Its totient is φ = 89414521056.

The previous prime is 142147477709. The next prime is 142147477789. The reversal of 142147477743 is 347774741241.

It is not a de Polignac number, because 142147477743 - 212 = 142147473647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142147477793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18064896 + ... + 18072762.

It is an arithmetic number, because the mean of its divisors is an integer number (6259780800).

Almost surely, 2142147477743 is an apocalyptic number.

142147477743 is a deficient number, since it is larger than the sum of its proper divisors (58165507857).

142147477743 is a wasteful number, since it uses less digits than its factorization.

142147477743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9131.

The product of its digits is 3687936, while the sum is 51.

The spelling of 142147477743 in words is "one hundred forty-two billion, one hundred forty-seven million, four hundred seventy-seven thousand, seven hundred forty-three".

Divisors: 1 3 19 57 359 883 1077 2649 6821 7867 16777 20463 23601 50331 149473 316997 448419 950991 2824253 6022943 6946561 8472759 18068829 20839683 53660807 131984659 160982421 395953977 2493815399 7481446197 47382492581 142147477743