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142717708856 = 2317839713607
BaseRepresentation
bin1000010011101010100…
…0110110101000111000
3111122101020112210102202
42010322220312220320
54314241213140411
6145321423445332
713211451336512
oct2047250665070
9448336483382
10142717708856
1155587476018
12237aba56848
13105c5939048
146c9c550bb2
153aa460383b
hex213aa36a38

142717708856 has 8 divisors (see below), whose sum is σ = 267595704120. Its totient is φ = 71358854424.

The previous prime is 142717708817. The next prime is 142717708909. The reversal of 142717708856 is 658807717241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1427177088562 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8919856796 + ... + 8919856811.

It is an arithmetic number, because the mean of its divisors is an integer number (33449463015).

Almost surely, 2142717708856 is an apocalyptic number.

It is an amenable number.

142717708856 is a deficient number, since it is larger than the sum of its proper divisors (124877995264).

142717708856 is a wasteful number, since it uses less digits than its factorization.

142717708856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17839713613 (or 17839713609 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 56.

The spelling of 142717708856 in words is "one hundred forty-two billion, seven hundred seventeen million, seven hundred eight thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 17839713607 35679427214 71358854428 142717708856