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2045134511 = 72311346369
BaseRepresentation
bin111100111100110…
…0100011010101111
312021112021121010122
41321321210122233
513142023301021
6534534155155
7101452233200
oct17171443257
95245247118
102045134511
1195a474912
12490ab2abb
1326791ac84
141558875a7
15be82abab
hex79e646af

2045134511 has 12 divisors (see below), whose sum is σ = 2455778880. Its totient is φ = 1696423680.

The previous prime is 2045134499. The next prime is 2045134519. The reversal of 2045134511 is 1154315402.

It is not a de Polignac number, because 2045134511 - 218 = 2044872367 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 (2045134519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 671666 + ... + 674703.

It is an arithmetic number, because the mean of its divisors is an integer number (204648240).

Almost surely, 22045134511 is an apocalyptic number.

2045134511 is a deficient number, since it is larger than the sum of its proper divisors (410644369).

2045134511 is a wasteful number, since it uses less digits than its factorization.

2045134511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346414 (or 1346407 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2045134511 is about 45223.1634342402. The cubic root of 2045134511 is about 1269.3282890545.

Adding to 2045134511 its reverse (1154315402), we get a palindrome (3199449913).

The spelling of 2045134511 in words is "two billion, forty-five million, one hundred thirty-four thousand, five hundred eleven".

Divisors: 1 7 31 49 217 1519 1346369 9424583 41737439 65972081 292162073 2045134511