Search a number
-
+
49451630014081 = 1713305772186209
BaseRepresentation
bin10110011111001110110101…
…10101110010111010000001
320111002112022010021200020101
423033213122311302322001
522440203414240422311
6253101433141242401
713262522330433361
oct1317473265627201
9214075263250211
1049451630014081
1114836355a3a319
125668082a03401
132179365449779
14c2d68635c9a1
155ab53c813ec1
hex2cf9dad72e81

49451630014081 has 8 divisors (see below), whose sum is σ = 52360612728840. Its totient is φ = 46542654332928.

The previous prime is 49451630013917. The next prime is 49451630014093. The reversal of 49451630014081 is 18041003615494.

It can be written as a sum of positive squares in 4 ways, for example, as 18853485043600 + 30598144970481 = 4342060^2 + 5531559^2 .

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 49451630014081 - 211 = 49451630012033 is a prime.

It is a super-2 number, since 2×494516300140812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49451630017081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21526705 + ... + 23712913.

It is an arithmetic number, because the mean of its divisors is an integer number (6545076591105).

Almost surely, 249451630014081 is an apocalyptic number.

It is an amenable number.

49451630014081 is a deficient number, since it is larger than the sum of its proper divisors (2908982714759).

49451630014081 is a wasteful number, since it uses less digits than its factorization.

49451630014081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516803.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 49451630014081 in words is "forty-nine trillion, four hundred fifty-one billion, six hundred thirty million, fourteen thousand, eighty-one".

Divisors: 1 17 1330577 2186209 22619809 37165553 2908919412593 49451630014081