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2045450001 = 3797402381
BaseRepresentation
bin111100111101011…
…0001011100010001
312021112212121220110
41321322301130101
513142113400001
6534545031533
7101455016040
oct17172613421
95245777813
102045450001
1195a66a951
124910255a9
132679cb75a
1415592a557
15be88e3d6
hex79eb1711

2045450001 has 8 divisors (see below), whose sum is σ = 3116876224. Its totient is φ = 1168828560.

The previous prime is 2045449981. The next prime is 2045450039. The reversal of 2045450001 is 1000545402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2045450001 - 25 = 2045449969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 97402381 = 2045450001 / (2 + 0 + 4 + 5 + 4 + 5 + 0 + 0 + 0 + 1).

It is a self number, because there is not a number n which added to its sum of digits gives 2045450001.

It is not an unprimeable number, because it can be changed into a prime (2045450051) 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 7 ways as a sum of consecutive naturals, for example, 48701170 + ... + 48701211.

It is an arithmetic number, because the mean of its divisors is an integer number (389609528).

Almost surely, 22045450001 is an apocalyptic number.

2045450001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2045450001 is a deficient number, since it is larger than the sum of its proper divisors (1071426223).

2045450001 is an equidigital number, since it uses as much as digits as its factorization.

2045450001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97402391.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2045450001 is about 45226.6514458013. The cubic root of 2045450001 is about 1269.3935561212.

Adding to 2045450001 its reverse (1000545402), we get a palindrome (3045995403).

The spelling of 2045450001 in words is "two billion, forty-five million, four hundred fifty thousand, one".

Divisors: 1 3 7 21 97402381 292207143 681816667 2045450001