Search a number
-
+
21470061654241 = 132735834515601
BaseRepresentation
bin1001110000110111000110…
…11001011111000011100001
32211000111222111211002201121
410320123203121133003201
510303231141240413431
6113355113221132241
74344106066635364
oct470334331370341
984014874732647
1021470061654241
116928447098112
1224a906025a081
13bc9806041145
1454322972c0db
15273743c34611
hex1386e365f0e1

21470061654241 has 8 divisors (see below), whose sum is σ = 21492242530304. Its totient is φ = 21447889819200.

The previous prime is 21470061654161. The next prime is 21470061654253. The reversal of 21470061654241 is 14245616007412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21470061654241 - 27 = 21470061654113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21470061657241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2496841 + ... + 7012441.

It is an arithmetic number, because the mean of its divisors is an integer number (2686530316288).

Almost surely, 221470061654241 is an apocalyptic number.

It is an amenable number.

21470061654241 is a deficient number, since it is larger than the sum of its proper divisors (22180876063).

21470061654241 is a wasteful number, since it uses less digits than its factorization.

21470061654241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520511.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 21470061654241 in words is "twenty-one trillion, four hundred seventy billion, sixty-one million, six hundred fifty-four thousand, two hundred forty-one".

Divisors: 1 1327 3583 4515601 4754641 5992202527 16179398383 21470061654241