Search a number
-
+
140185689151680 = 2632571685571641
BaseRepresentation
bin11111110111111110000110…
…001101000101100011000000
3200101100121202201010210210100
4133313332012031011203000
5121333300242410323210
61214052225550002400
741346040030033164
oct3767760615054300
9611317681123710
10140185689151680
1140738464990277
1213880b137a6400
13602b5b8bc5193
1426890488daca4
1511318413c95c0
hex7f7f863458c0

140185689151680 has 168 divisors, whose sum is σ = 488971633366944. Its totient is φ = 36856331366400.

The previous prime is 140185689151619. The next prime is 140185689151741. The reversal of 140185689151680 is 86151986581041.

140185689151680 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 8 + 568 + 9 + 1 + 5 + 1 + 68 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (140185689151619) and next prime (140185689151741).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342581341 + ... + 342990300.

It is an arithmetic number, because the mean of its divisors is an integer number (2910545436708).

Almost surely, 2140185689151680 is an apocalyptic number.

140185689151680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140185689151680 is an abundant number, since it is smaller than the sum of its proper divisors (348785944215264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140185689151680 is a wasteful number, since it uses less digits than its factorization.

140185689151680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685571735 (or 685571722 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 63.

The spelling of 140185689151680 in words is "one hundred forty trillion, one hundred eighty-five billion, six hundred eighty-nine million, one hundred fifty-one thousand, six hundred eighty".