Search a number
-
+
45367094281 = 138132850901
BaseRepresentation
bin101010010000000101…
…101110110000001001
311100002201012011202011
4222100011232300021
51220402434004111
632501422135521
73164144636665
oct522005566011
9140081164664
1045367094281
11182705a6453
1289614215a1
13437cca0cb2
1422a53098a5
1512a7ca2021
hexa9016ec09

45367094281 has 4 divisors (see below), whose sum is σ = 45399946564. Its totient is φ = 45334242000.

The previous prime is 45367094273. The next prime is 45367094287. The reversal of 45367094281 is 18249076354.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18249076354 = 29124538177.

It can be written as a sum of positive squares in 2 ways, for example, as 30575669881 + 14791424400 = 174859^2 + 121620^2 .

It is a 4-Lehmer number, since φ(45367094281) divides (45367094281-1)4.

It is a cyclic number.

It is not a de Polignac number, because 45367094281 - 23 = 45367094273 is a prime.

It is a super-2 number, since 2×453670942812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45367094287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16424070 + ... + 16426831.

It is an arithmetic number, because the mean of its divisors is an integer number (11349986641).

It is a 2-persistent number, because it is pandigital, and so is 2⋅45367094281 = 90734188562, but 3⋅45367094281 = 136101282843 is not.

Almost surely, 245367094281 is an apocalyptic number.

It is an amenable number.

45367094281 is a deficient number, since it is larger than the sum of its proper divisors (32852283).

45367094281 is a wasteful number, since it uses less digits than its factorization.

45367094281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32852282.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 45367094281 in words is "forty-five billion, three hundred sixty-seven million, ninety-four thousand, two hundred eighty-one".

Divisors: 1 1381 32850901 45367094281