Search a number
-
+
142701568731 = 32389159725523
BaseRepresentation
bin1000010011100110101…
…1010010001011011011
3111122100010011210100100
42010321223102023123
54314223100144411
6145320045510443
713211164214661
oct2047153221333
9448303153310
10142701568731
1155579351777
12237a6572423
13105c24a7787
146c9a34cc31
153aa2eb6456
hex2139ad22db

142701568731 has 24 divisors (see below), whose sum is σ = 206791874640. Its totient is φ = 94826684736.

The previous prime is 142701568699. The next prime is 142701568771. The reversal of 142701568731 is 137865107241.

142701568731 is a `hidden beast` number, since 1 + 427 + 0 + 156 + 8 + 73 + 1 = 666.

142701568731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142701568731 - 25 = 142701568699 is a prime.

It is a super-2 number, since 2×1427015687312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142701568771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5578336 + ... + 5603858.

It is an arithmetic number, because the mean of its divisors is an integer number (8616328110).

Almost surely, 2142701568731 is an apocalyptic number.

142701568731 is a deficient number, since it is larger than the sum of its proper divisors (64090305909).

142701568731 is a wasteful number, since it uses less digits than its factorization.

142701568731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27515 (or 27512 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 142701568731 in words is "one hundred forty-two billion, seven hundred one million, five hundred sixty-eight thousand, seven hundred thirty-one".

Divisors: 1 3 9 389 1167 1597 3501 4791 14373 25523 76569 229707 621233 1863699 5591097 9928447 29785341 40760231 89356023 122280693 366842079 15855729859 47567189577 142701568731