Search a number
-
+
1684144031441 = 71791367219647
BaseRepresentation
bin11000100000011110110…
…011101000011011010001
312222000001220010011102012
4120200132303220123101
5210043111333001231
63325403551232305
7232450442032664
oct30403663503321
95860056104365
101684144031441
1159a272444743
12232494518695
13c2a7776b861
145b72798d6db
152dc1d7c8e2b
hex1881ece86d1

1684144031441 has 16 divisors (see below), whose sum is σ = 1730755952640. Its totient is φ = 1638198940560.

The previous prime is 1684144031411. The next prime is 1684144031447. The reversal of 1684144031441 is 1441304414861.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1684144031441 - 222 = 1684139837137 is a prime.

It is a super-3 number, since 3×16841440314413 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1684144031447) 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 15 ways as a sum of consecutive naturals, for example, 7557680 + ... + 7777326.

It is an arithmetic number, because the mean of its divisors is an integer number (108172247040).

Almost surely, 21684144031441 is an apocalyptic number.

It is an amenable number.

1684144031441 is a deficient number, since it is larger than the sum of its proper divisors (46611921199).

1684144031441 is a wasteful number, since it uses less digits than its factorization.

1684144031441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221164.

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 1684144031441 in words is "one trillion, six hundred eighty-four billion, one hundred forty-four million, thirty-one thousand, four hundred forty-one".

Divisors: 1 71 79 1367 5609 97057 107993 219647 7667503 15594937 17352113 300257449 1232000023 21318278879 23720338471 1684144031441