Search a number
-
+
6855453184601 = 72743831880903
BaseRepresentation
bin110001111000010100011…
…0110100001001001011001
3220021101010022121221110202
41203300220312201021121
51344304432003401401
622325203545351545
71305201343415300
oct143605066411131
926241108557422
106855453184601
11220342166852a
129287714985b5
133a960aa7b128
14199b3cbd3437
15bd4d574306b
hex63c28da1259

6855453184601 has 12 divisors (see below), whose sum is σ = 7974822298752. Its totient is φ = 5876020607688.

The previous prime is 6855453184549. The next prime is 6855453184667. The reversal of 6855453184601 is 1064813545586.

It is not a de Polignac number, because 6855453184601 - 230 = 6854379442777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6855453184691) 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 11 ways as a sum of consecutive naturals, for example, 2704316 + ... + 4585218.

It is an arithmetic number, because the mean of its divisors is an integer number (664568524896).

Almost surely, 26855453184601 is an apocalyptic number.

It is an amenable number.

6855453184601 is a deficient number, since it is larger than the sum of its proper divisors (1119369114151).

6855453184601 is a wasteful number, since it uses less digits than its factorization.

6855453184601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955300 (or 1955293 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 6855453184601 in words is "six trillion, eight hundred fifty-five billion, four hundred fifty-three million, one hundred eighty-four thousand, six hundred one".

Divisors: 1 7 49 74383 520681 1880903 3644767 13166321 92164247 139907207849 979350454943 6855453184601