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142266771471 = 31153349233071
BaseRepresentation
bin1000010001111111000…
…0101010100000001111
3111121012211000210122010
42010133300222200033
54312330243141341
6145204554352303
713164334414326
oct2043760524017
9447184023563
10142266771471
115537597a0a0
12236a4a2b693
13105533a17a6
146c586cb0bd
153a79c2c716
hex211fc2a80f

142266771471 has 32 divisors (see below), whose sum is σ = 211442918400. Its totient is φ = 84352694400.

The previous prime is 142266771443. The next prime is 142266771497. The reversal of 142266771471 is 174177662241.

It is a happy number.

It is not a de Polignac number, because 142266771471 - 213 = 142266763279 is a prime.

It is a super-3 number, since 3×1422667714713 (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142266771471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142266771271) 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, 493866 + ... + 726936.

It is an arithmetic number, because the mean of its divisors is an integer number (6607591200).

Almost surely, 2142266771471 is an apocalyptic number.

142266771471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142266771471 is a deficient number, since it is larger than the sum of its proper divisors (69176146929).

142266771471 is a wasteful number, since it uses less digits than its factorization.

142266771471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233487.

The product of its digits is 790272, while the sum is 48.

The spelling of 142266771471 in words is "one hundred forty-two billion, two hundred sixty-six million, seven hundred seventy-one thousand, four hundred seventy-one".

Divisors: 1 3 11 33 53 159 349 583 1047 1749 3839 11517 18497 55491 203467 233071 610401 699213 2563781 7691343 12352763 37058289 81341779 135880393 244025337 407641179 894759569 2684278707 4311114287 12933342861 47422257157 142266771471