Search a number
-
+
6683667804281 = 131954749468709
BaseRepresentation
bin110000101000010100110…
…1001010011000001111001
3212122221201022010102222102
41201100221221103001321
51334001122424214111
622114233512433145
71256610342652556
oct141205151230171
925587638112872
106683667804281
112147589261736
128bb40a9a87b5
13396361c824b0
141916c3daba2d
15b8cce2cb13b
hex61429a53079

6683667804281 has 16 divisors (see below), whose sum is σ = 7590478862400. Its totient is φ = 5834141546688.

The previous prime is 6683667804277. The next prime is 6683667804293. The reversal of 6683667804281 is 1824087663866.

It is not a de Polignac number, because 6683667804281 - 22 = 6683667804277 is a prime.

It is a super-2 number, since 2×66836678042812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6683667104281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24599246 + ... + 24869463.

It is an arithmetic number, because the mean of its divisors is an integer number (474404928900).

Almost surely, 26683667804281 is an apocalyptic number.

It is an amenable number.

6683667804281 is a deficient number, since it is larger than the sum of its proper divisors (906811058119).

6683667804281 is a wasteful number, since it uses less digits than its factorization.

6683667804281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49469288.

The product of its (nonzero) digits is 111476736, while the sum is 65.

The spelling of 6683667804281 in words is "six trillion, six hundred eighty-three billion, six hundred sixty-seven million, eight hundred four thousand, two hundred eighty-one".

Divisors: 1 13 19 247 547 7111 10393 135109 49468709 643093217 939905471 12218771123 27059383823 351771989699 514128292637 6683667804281