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2942518898 = 21143172
BaseRepresentation
bin1010111101100011…
…0100011001110010
321121001212110002102
42233120310121302
522011241101043
61203552220402
7132626666204
oct25730643162
97531773072
102942518898
11127aa80000
126a153a702
1337b809c57
141dcb22774
151234dc6b8
hexaf634672

2942518898 has 30 divisors (see below), whose sum is σ = 4870490205. Its totient is φ = 1333289320.

The previous prime is 2942518897. The next prime is 2942518903. The reversal of 2942518898 is 8988152492.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2147673649 + 794845249 = 46343^2 + 28193^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=38357.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2942518897) 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 14 ways as a sum of consecutive naturals, for example, 9282236 + ... + 9282552.

Almost surely, 22942518898 is an apocalyptic number.

2942518898 is a deficient number, since it is larger than the sum of its proper divisors (1927971307).

2942518898 is an frugal number, since it uses more digits than its factorization.

2942518898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 330 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 56.

The square root of 2942518898 is about 54244.9896119448. The cubic root of 2942518898 is about 1432.9787611979.

The spelling of 2942518898 in words is "two billion, nine hundred forty-two million, five hundred eighteen thousand, eight hundred ninety-eight".

Divisors: 1 2 11 22 121 242 317 634 1331 2662 3487 6974 14641 29282 38357 76714 100489 200978 421927 843854 1105379 2210758 4641197 9282394 12159169 24318338 133750859 267501718 1471259449 2942518898