Search a number
-
+
1487934030681 = 33759133435031
BaseRepresentation
bin10101101001101111110…
…001111000001101011001
312021020121200101101111000
4111221233301320031121
5143334242102440211
63055314130055213
7212333251403310
oct25515761701531
95236550341430
101487934030681
11524035a7401a
1220045611a509
13aa4086c4aa7
1452032d99277
1528a87e47656
hex15a6fc78359

1487934030681 has 32 divisors (see below), whose sum is σ = 2561952614400. Its totient is φ = 835837027920.

The previous prime is 1487934030677. The next prime is 1487934030683. The reversal of 1487934030681 is 1860304397841.

1487934030681 is a `hidden beast` number, since 1 + 487 + 93 + 40 + 30 + 6 + 8 + 1 = 666.

It is not a de Polignac number, because 1487934030681 - 22 = 1487934030677 is a prime.

It is a super-2 number, since 2×14879340306812 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1487934030683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66706365 + ... + 66728666.

It is an arithmetic number, because the mean of its divisors is an integer number (80061019200).

Almost surely, 21487934030681 is an apocalyptic number.

It is an amenable number.

1487934030681 is a deficient number, since it is larger than the sum of its proper divisors (1074018583719).

1487934030681 is a wasteful number, since it uses less digits than its factorization.

1487934030681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133435106 (or 133435100 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 1487934030681 in words is "one trillion, four hundred eighty-seven billion, nine hundred thirty-four million, thirty thousand, six hundred eighty-one".

Divisors: 1 3 7 9 21 27 59 63 177 189 413 531 1239 1593 3717 11151 133435031 400305093 934045217 1200915279 2802135651 3602745837 7872666829 8406406953 23618000487 25219220859 55108667803 70854001461 165326003409 212562004383 495978010227 1487934030681