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2140555020 = 223589400853
BaseRepresentation
bin111111110010110…
…0100011100001100
312112011211110110120
41333211210130030
513340440230040
6552223304540
7104021263122
oct17745443414
95464743416
102140555020
119a931873a
124b8a4b150
1328161a206
14164405912
15c7dc87d0
hex7f96470c

2140555020 has 48 divisors (see below), whose sum is σ = 6060912480. Its totient is φ = 564399616.

The previous prime is 2140555013. The next prime is 2140555031. The reversal of 2140555020 is 205550412.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 195087 + ... + 205766.

It is an arithmetic number, because the mean of its divisors is an integer number (126269010).

Almost surely, 22140555020 is an apocalyptic number.

2140555020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140555020 is an abundant number, since it is smaller than the sum of its proper divisors (3920357460).

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

2140555020 is a wasteful number, since it uses less digits than its factorization.

2140555020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400954 (or 400952 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2140555020 is about 46266.1325377430. The cubic root of 2140555020 is about 1288.7701396685.

The spelling of 2140555020 in words is "two billion, one hundred forty million, five hundred fifty-five thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2670 5340 400853 801706 1202559 1603412 2004265 2405118 4008530 4810236 6012795 8017060 12025590 24051180 35675917 71351834 107027751 142703668 178379585 214055502 356759170 428111004 535138755 713518340 1070277510 2140555020