Search a number
-
+
98802478081 = 216152338737
BaseRepresentation
bin101110000000100010…
…1100010110000000001
3100110000201021221000001
41130001011202300001
53104321413244311
6113220024000001
710065263130646
oct1340105426001
9313021257001
1098802478081
11389a147216a
1217194900001
1394176a51a8
144ad3db7dcd
15288403d4c1
hex1701162c01

98802478081 has 8 divisors (see below), whose sum is σ = 98878404104. Its totient is φ = 98726584320.

The previous prime is 98802478031. The next prime is 98802478123. The reversal of 98802478081 is 18087420889.

It can be written as a sum of positive squares in 4 ways, for example, as 40153747456 + 58648730625 = 200384^2 + 242175^2 .

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 98802478081 - 29 = 98802477569 is a prime.

It is a super-2 number, since 2×988024780812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98802478031) 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, 11304145 + ... + 11312881.

It is an arithmetic number, because the mean of its divisors is an integer number (12359800513).

Almost surely, 298802478081 is an apocalyptic number.

It is an amenable number.

98802478081 is a deficient number, since it is larger than the sum of its proper divisors (75926023).

98802478081 is a wasteful number, since it uses less digits than its factorization.

98802478081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16131.

The product of its (nonzero) digits is 2064384, while the sum is 55.

The spelling of 98802478081 in words is "ninety-eight billion, eight hundred two million, four hundred seventy-eight thousand, eighty-one".

Divisors: 1 2161 5233 8737 11308513 18880657 45720721 98802478081