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2542218616 = 23771639391
BaseRepresentation
bin1001011110000111…
…0010110101111000
320120011122002100001
42113201302311320
520201301443431
61100132322344
7116666334040
oct22741626570
96504562301
102542218616
11109501a523
125ab4733b4
133168c1a92
141a18c0720
15ed2b9e61
hex97872d78

2542218616 has 32 divisors (see below), whose sum is σ = 5524346880. Its totient is φ = 1074175200.

The previous prime is 2542218541. The next prime is 2542218631. The reversal of 2542218616 is 6168122452.

It is a congruent number.

It is an unprimeable number.

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, 315720 + ... + 323671.

It is an arithmetic number, because the mean of its divisors is an integer number (172635840).

Almost surely, 22542218616 is an apocalyptic number.

It is an amenable number.

2542218616 is an abundant number, since it is smaller than the sum of its proper divisors (2982128264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2542218616 is a wasteful number, since it uses less digits than its factorization.

2542218616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639475 (or 639471 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 2542218616 is about 50420.4186416575. The cubic root of 2542218616 is about 1364.8061313218.

The spelling of 2542218616 in words is "two billion, five hundred forty-two million, two hundred eighteen thousand, six hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 71 142 284 497 568 994 1988 3976 639391 1278782 2557564 4475737 5115128 8951474 17902948 35805896 45396761 90793522 181587044 317777327 363174088 635554654 1271109308 2542218616