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16542316630 = 257107220641
BaseRepresentation
bin11110110011111111…
…11011100001010110
31120200212021202100201
433121333323201112
5232334313113010
611333251131114
71123635241240
oct173177734126
946625252321
1016542316630
117019785364
123257ba3a9a
131738236448
14b2cdc1090
1566c41c23a
hex3d9ffb856

16542316630 has 48 divisors (see below), whose sum is σ = 34352581536. Its totient is φ = 5618373120.

The previous prime is 16542316603. The next prime is 16542316663. The reversal of 16542316630 is 3661324561.

It is a self number, because there is not a number n which added to its sum of digits gives 16542316630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 791110 + ... + 811750.

It is an arithmetic number, because the mean of its divisors is an integer number (715678782).

Almost surely, 216542316630 is an apocalyptic number.

16542316630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16542316630 is an abundant number, since it is smaller than the sum of its proper divisors (17810264906).

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

16542316630 is a wasteful number, since it uses less digits than its factorization.

16542316630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20869 (or 20762 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 16542316630 in words is "sixteen billion, five hundred forty-two million, three hundred sixteen thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 107 214 535 749 1070 1498 3745 7490 11449 20641 22898 41282 57245 80143 103205 114490 144487 160286 206410 288974 400715 722435 801430 1444870 2208587 4417174 11042935 15460109 22085870 30920218 77300545 154601090 236318809 472637618 1181594045 1654231663 2363188090 3308463326 8271158315 16542316630