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2122036640 = 25571186799
BaseRepresentation
bin111111001111011…
…1011010110100000
312110212222122000122
41332132323112200
513321220133030
6550322335412
7103405004513
oct17636732640
95425878018
102122036640
1199991a599
124b27ba568
1327a8352a9
14161b84d7a
15c646b8e5
hex7e7bb5a0

2122036640 has 48 divisors (see below), whose sum is σ = 5083948800. Its totient is φ = 836855040.

The previous prime is 2122036621. The next prime is 2122036661. The reversal of 2122036640 is 466302212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82040 + ... + 104759.

It is an arithmetic number, because the mean of its divisors is an integer number (105915600).

Almost surely, 22122036640 is an apocalyptic number.

2122036640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122036640 is an abundant number, since it is smaller than the sum of its proper divisors (2961912160).

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

2122036640 is a wasteful number, since it uses less digits than its factorization.

2122036640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186885 (or 186877 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2122036640 is about 46065.5689208328. The cubic root of 2122036640 is about 1285.0428990407.

Adding to 2122036640 its reverse (466302212), we get a palindrome (2588338852).

The spelling of 2122036640 in words is "two billion, one hundred twenty-two million, thirty-six thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 71 80 142 160 284 355 568 710 1136 1420 2272 2840 5680 11360 186799 373598 747196 933995 1494392 1867990 2988784 3735980 5977568 7471960 13262729 14943920 26525458 29887840 53050916 66313645 106101832 132627290 212203664 265254580 424407328 530509160 1061018320 2122036640