Search a number
-
+
142393893741 = 32113146397489
BaseRepresentation
bin1000010010011101010…
…1100110001101101101
3111121112200020021121100
42010213111212031231
54313110314044431
6145225335153313
713200440061231
oct2044725461555
9447480207540
10142393893741
1155430705a20
122371b515839
1310573820478
146c6b53c5c1
153a85e8d4e6
hex212756636d

142393893741 has 24 divisors (see below), whose sum is σ = 231616270080. Its totient is φ = 83515478400.

The previous prime is 142393893739. The next prime is 142393893751. The reversal of 142393893741 is 147398393241.

142393893741 is a `hidden beast` number, since 1 + 4 + 239 + 38 + 9 + 374 + 1 = 666.

142393893741 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 142393893741 - 21 = 142393893739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142393893701) 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, 23195676 + ... + 23201813.

It is an arithmetic number, because the mean of its divisors is an integer number (9650677920).

Almost surely, 2142393893741 is an apocalyptic number.

142393893741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142393893741 is a deficient number, since it is larger than the sum of its proper divisors (89222376339).

142393893741 is a wasteful number, since it uses less digits than its factorization.

142393893741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46397537 (or 46397534 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 142393893741 in words is "one hundred forty-two billion, three hundred ninety-three million, eight hundred ninety-three thousand, seven hundred forty-one".

Divisors: 1 3 9 11 31 33 93 99 279 341 1023 3069 46397489 139192467 417577401 510372379 1438322159 1531117137 4314966477 4593351411 12944899431 15821543749 47464631247 142393893741