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2038081920 = 27357151643
BaseRepresentation
bin111100101111010…
…1010100110000000
312021001000021210120
41321132222212000
513133222110140
6534123100240
7101335260540
oct17136524600
95231007716
102038081920
11956498126
1248a671680
1326631bb44
1415496d320
15bddd61d0
hex797aa980

2038081920 has 128 divisors (see below), whose sum is σ = 7424490240. Its totient is φ = 465844224.

The previous prime is 2038081897. The next prime is 2038081921. The reversal of 2038081920 is 291808302.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2038081921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62382 + ... + 89261.

It is an arithmetic number, because the mean of its divisors is an integer number (58003830).

Almost surely, 22038081920 is an apocalyptic number.

2038081920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2038081920 is an abundant number, since it is smaller than the sum of its proper divisors (5386408320).

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

2038081920 is a wasteful number, since it uses less digits than its factorization.

2038081920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151672 (or 151660 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2038081920 is about 45145.1206665792. The cubic root of 2038081920 is about 1267.8675272181.

The spelling of 2038081920 in words is "two billion, thirty-eight million, eighty-one thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 280 320 336 384 420 448 480 560 640 672 840 896 960 1120 1344 1680 1920 2240 2688 3360 4480 6720 13440 151643 303286 454929 606572 758215 909858 1061501 1213144 1516430 1819716 2123002 2274645 2426288 3032860 3184503 3639432 4246004 4549290 4852576 5307505 6065720 6369006 7278864 8492008 9098580 9705152 10615010 12131440 12738012 14557728 15922515 16984016 18197160 19410304 21230020 24262880 25476024 29115456 31845030 33968032 36394320 42460040 48525760 50952048 58230912 63690060 67936064 72788640 84920080 97051520 101904096 127380120 135872128 145577280 169840160 203808192 254760240 291154560 339680320 407616384 509520480 679360640 1019040960 2038081920