Search a number
-
+
1691802027404 = 221021414251231
BaseRepresentation
bin11000100111100111010…
…000100100010110001100
312222201211120222122222022
4120213213100210112030
5210204302304334104
63333111512505312
7233141300650556
oct30474720442614
95881746878868
101691802027404
115a2542159425
12233a710ab238
13c36c8198108
145bc52a6c4d6
152e01ac69bbe
hex189e742458c

1691802027404 has 12 divisors (see below), whose sum is σ = 2963553313728. Its totient is φ = 845072509200.

The previous prime is 1691802027359. The next prime is 1691802027413. The reversal of 1691802027404 is 4047202081961.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207121532 + ... + 207129699.

It is an arithmetic number, because the mean of its divisors is an integer number (246962776144).

Almost surely, 21691802027404 is an apocalyptic number.

It is an amenable number.

1691802027404 is a deficient number, since it is larger than the sum of its proper divisors (1271751286324).

1691802027404 is a wasteful number, since it uses less digits than its factorization.

1691802027404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414252256 (or 414252254 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 1691802027404 in words is "one trillion, six hundred ninety-one billion, eight hundred two million, twenty-seven thousand, four hundred four".

Divisors: 1 2 4 1021 2042 4084 414251231 828502462 1657004924 422950506851 845901013702 1691802027404