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20045310416 = 2459193110023
BaseRepresentation
bin10010101010110010…
…110010100111010000
31220201222210021110022
4102222302302213100
5312023044413131
613113024323012
71306512220145
oct225262624720
956658707408
1020045310416
11855706744a
123a75173468
131b75bb0631
14d8231c3cc
157c4c1b37b
hex4aacb29d0

20045310416 has 40 divisors (see below), whose sum is σ = 39701060160. Its totient is φ = 9801639936.

The previous prime is 20045310413. The next prime is 20045310421. The reversal of 20045310416 is 61401354002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045310413) 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, 127181 + ... + 237203.

It is an arithmetic number, because the mean of its divisors is an integer number (992526504).

Almost surely, 220045310416 is an apocalyptic number.

It is an amenable number.

20045310416 is a deficient number, since it is larger than the sum of its proper divisors (19655749744).

20045310416 is a wasteful number, since it uses less digits than its factorization.

20045310416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110283 (or 110277 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20045310416 its reverse (61401354002), we get a palindrome (81446664418).

The spelling of 20045310416 in words is "twenty billion, forty-five million, three hundred ten thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 59 118 193 236 386 472 772 944 1544 3088 11387 22774 45548 91096 110023 182192 220046 440092 880184 1760368 6491357 12982714 21234439 25965428 42468878 51930856 84937756 103861712 169875512 339751024 1252831901 2505663802 5011327604 10022655208 20045310416