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45230221001 = 76461460143
BaseRepresentation
bin101010000111111011…
…100110011011001001
311022202011122021220102
4222013323212123021
51220112414033001
632440052335145
73160563351350
oct520773463311
9138664567812
1045230221001
111820030a539
1289236144b5
13435a819ba4
14229107a997
15129ac66e6b
hexa87ee66c9

45230221001 has 4 divisors (see below), whose sum is σ = 51691681152. Its totient is φ = 38768760852.

The previous prime is 45230220989. The next prime is 45230221009. The reversal of 45230221001 is 10012203254.

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 45230221001 - 218 = 45229958857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45230221009) 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, 3230730065 + ... + 3230730078.

It is an arithmetic number, because the mean of its divisors is an integer number (12922920288).

Almost surely, 245230221001 is an apocalyptic number.

It is an amenable number.

45230221001 is a deficient number, since it is larger than the sum of its proper divisors (6461460151).

45230221001 is an equidigital number, since it uses as much as digits as its factorization.

45230221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461460150.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 45230221001 its reverse (10012203254), we get a palindrome (55242424255).

The spelling of 45230221001 in words is "forty-five billion, two hundred thirty million, two hundred twenty-one thousand, one".

Divisors: 1 7 6461460143 45230221001