Search a number
-
+
161050813411488 = 253721113483149559
BaseRepresentation
bin100100100111100110010000…
…100001100011000010100000
3210010020022022002112020011020
4210213212100201203002200
5132102124031213131423
61330305420003245440
745631352201664600
oct4447462041430240
9703208262466136
10161050813411488
11473522a2648320
1216090887679880
136bb30463ca150
142baac8833cc00
15139447baa44e3
hex9279908630a0

161050813411488 has 576 divisors, whose sum is σ = 577886968995840. Its totient is φ = 38604809779200.

The previous prime is 161050813411469. The next prime is 161050813411507. The reversal of 161050813411488 is 884114318050161.

It is an interprime number because it is at equal distance from previous prime (161050813411469) and next prime (161050813411507).

It is a self number, because there is not a number n which added to its sum of digits gives 161050813411488.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3249653653 + ... + 3249703211.

It is an arithmetic number, because the mean of its divisors is an integer number (1003275987840).

Almost surely, 2161050813411488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161050813411488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288943484497920).

161050813411488 is an abundant number, since it is smaller than the sum of its proper divisors (416836155584352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161050813411488 is a wasteful number, since it uses less digits than its factorization.

161050813411488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54441 (or 54426 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 51.

The spelling of 161050813411488 in words is "one hundred sixty-one trillion, fifty billion, eight hundred thirteen million, four hundred eleven thousand, four hundred eighty-eight".