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6999052940 = 2251147676891
BaseRepresentation
bin1101000010010110…
…10001001010001100
3200001202221201122222
412201023101022030
5103313224143230
63114301554512
7335304653105
oct64113211214
920052851588
106999052940
112a71868080
121433b75a38
13877063b59
144a57913ac
152ae6cd6e5
hex1a12d128c

6999052940 has 48 divisors (see below), whose sum is σ = 16375371264. Its totient is φ = 2490955200.

The previous prime is 6999052919. The next prime is 6999052967. The reversal of 6999052940 is 492509996.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328106 + ... + 348785.

It is an arithmetic number, because the mean of its divisors is an integer number (341153568).

Almost surely, 26999052940 is an apocalyptic number.

It is an amenable number.

6999052940 is an abundant number, since it is smaller than the sum of its proper divisors (9376318324).

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

6999052940 is a wasteful number, since it uses less digits than its factorization.

6999052940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676958 (or 676956 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 53.

The square root of 6999052940 is about 83660.3426959273. The cubic root of 6999052940 is about 1912.8449093288.

The spelling of 6999052940 in words is "six billion, nine hundred ninety-nine million, fifty-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 47 55 94 110 188 220 235 470 517 940 1034 2068 2585 5170 10340 676891 1353782 2707564 3384455 6768910 7445801 13537820 14891602 29783204 31813877 37229005 63627754 74458010 127255508 148916020 159069385 318138770 349952647 636277540 699905294 1399810588 1749763235 3499526470 6999052940