Search a number
-
+
181492742024 = 23112062417523
BaseRepresentation
bin1010100100000111001…
…1110111011110001000
3122100110112121120100022
42221001303313132020
510433144120221044
6215213203200012
716053362565446
oct2510163673610
9570415546308
10181492742024
116aa74a15380
122b211676008
1314164c95059
148ada16db96
154ac37bc3ee
hex2a41cf7788

181492742024 has 16 divisors (see below), whose sum is σ = 371235154320. Its totient is φ = 82496700880.

The previous prime is 181492742023. The next prime is 181492742029. The reversal of 181492742024 is 420247294181.

181492742024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (181492742023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031208674 + ... + 1031208849.

It is an arithmetic number, because the mean of its divisors is an integer number (23202197145).

Almost surely, 2181492742024 is an apocalyptic number.

It is an amenable number.

181492742024 is an abundant number, since it is smaller than the sum of its proper divisors (189742412296).

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

181492742024 is a wasteful number, since it uses less digits than its factorization.

181492742024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062417540 (or 2062417536 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 181492742024 in words is "one hundred eighty-one billion, four hundred ninety-two million, seven hundred forty-two thousand, twenty-four".

Divisors: 1 2 4 8 11 22 44 88 2062417523 4124835046 8249670092 16499340184 22686592753 45373185506 90746371012 181492742024