Search a number
-
+
45302183021 = 131345818191
BaseRepresentation
bin101010001100001110…
…000111010001101101
311022221012001100020102
4222030032013101231
51220234324324041
632451143000445
73162426126224
oct521416072155
9138835040212
1045302183021
11182379a0687
128943739125
13436c6c4774
14229a84dcbb
1512a222e09b
hexa8c38746d

45302183021 has 4 divisors (see below), whose sum is σ = 45648001344. Its totient is φ = 44956364700.

The previous prime is 45302183009. The next prime is 45302183023. The reversal of 45302183021 is 12038120354.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45302183021 - 210 = 45302181997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45302183023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 172908965 + ... + 172909226.

It is an arithmetic number, because the mean of its divisors is an integer number (11412000336).

Almost surely, 245302183021 is an apocalyptic number.

It is an amenable number.

45302183021 is a deficient number, since it is larger than the sum of its proper divisors (345818323).

45302183021 is a wasteful number, since it uses less digits than its factorization.

45302183021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345818322.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 45302183021 in words is "forty-five billion, three hundred two million, one hundred eighty-three thousand, twenty-one".

Divisors: 1 131 345818191 45302183021