Search a number
-
+
45442204501 = 1729157587101
BaseRepresentation
bin101010010100100100…
…010000001101010101
311100021221112011121011
4222110210100031111
51221031201021001
632513104052221
73166046236141
oct522444201525
9140257464534
1045442204501
11182a9a37911
128982604071
13439270b805
1422b129c221
1512ae68bd51
hexa94910355

45442204501 has 16 divisors (see below), whose sum is σ = 50091542640. Its totient is φ = 41031244800.

The previous prime is 45442204477. The next prime is 45442204571. The reversal of 45442204501 is 10540224454.

It can be written as a sum of positive squares in 8 ways, for example, as 656640625 + 44785563876 = 25625^2 + 211626^2 .

It is a cyclic number.

It is not a de Polignac number, because 45442204501 - 25 = 45442204469 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 (45442204571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216150 + ... + 370951.

It is an arithmetic number, because the mean of its divisors is an integer number (3130721415).

Almost surely, 245442204501 is an apocalyptic number.

It is an amenable number.

45442204501 is a deficient number, since it is larger than the sum of its proper divisors (4649338139).

45442204501 is a wasteful number, since it uses less digits than its factorization.

45442204501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587304.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 45442204501 its reverse (10540224454), we get a palindrome (55982428955).

The spelling of 45442204501 in words is "forty-five billion, four hundred forty-two million, two hundred four thousand, five hundred one".

Divisors: 1 17 29 157 493 2669 4553 77401 587101 9980717 17025929 92174857 289440793 1566972569 2673070853 45442204501