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2045150231 = 9725782039
BaseRepresentation
bin111100111100110…
…1000010000010111
312021112022101200212
41321321220100113
513142024301411
6534534400035
7101452330055
oct17171502027
95245271625
102045150231
1195a485703
12490b0001b
13267925187
1415588d1d5
15be83068b
hex79e68417

2045150231 has 8 divisors (see below), whose sum is σ = 2074299360. Its totient is φ = 2016165888.

The previous prime is 2045150221. The next prime is 2045150251. The reversal of 2045150231 is 1320515402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2045150231 is a prime.

It is a super-2 number, since 2×20451502312 = 8365278934718706722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045150197 and 2045150206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045150221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16091 + ... + 65948.

It is an arithmetic number, because the mean of its divisors is an integer number (259287420).

Almost surely, 22045150231 is an apocalyptic number.

2045150231 is a deficient number, since it is larger than the sum of its proper divisors (29149129).

2045150231 is an equidigital number, since it uses as much as digits as its factorization.

2045150231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82393.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2045150231 is about 45223.3372386426. The cubic root of 2045150231 is about 1269.3315412920.

Adding to 2045150231 its reverse (1320515402), we get a palindrome (3365665633).

The spelling of 2045150231 in words is "two billion, forty-five million, one hundred fifty thousand, two hundred thirty-one".

Divisors: 1 97 257 24929 82039 7957783 21084023 2045150231