Search a number
-
+
18070542416 = 241801627101
BaseRepresentation
bin10000110101000101…
…101001100001010000
31201122100220200000202
4100311011221201100
5244002024324131
612145042234332
71206543035063
oct206505514120
951570820022
1018070542416
117733393a83
1236039559a8
13191ca2bc64
14c35d508da
1570b68ebcb
hex435169850

18070542416 has 20 divisors (see below), whose sum is σ = 35031171924. Its totient is φ = 9030240000.

The previous prime is 18070542407. The next prime is 18070542419. The reversal of 18070542416 is 61424507081.

It can be written as a sum of positive squares in 2 ways, for example, as 1687566400 + 16382976016 = 41080^2 + 127996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18070542416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18070542419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284735 + ... + 342366.

Almost surely, 218070542416 is an apocalyptic number.

18070542416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18070542416 is a deficient number, since it is larger than the sum of its proper divisors (16960629508).

18070542416 is a wasteful number, since it uses less digits than its factorization.

18070542416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628910 (or 628904 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 18070542416 in words is "eighteen billion, seventy million, five hundred forty-two thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 1801 3602 7204 14408 28816 627101 1254202 2508404 5016808 10033616 1129408901 2258817802 4517635604 9035271208 18070542416