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338890000000 = 275733889
BaseRepresentation
bin1001110111001110110…
…10110000011010000000
31012101201211022201111111
410323213122300122000
521023021320000000
6415403420453104
733325003320466
oct4734732603200
91171654281444
10338890000000
111207a462a972
12558196aa194
1325c59c3b926
141258c12a836
158c369d6cba
hex4ee76b0680

338890000000 has 128 divisors (see below), whose sum is σ = 843938269200. Its totient is φ = 135552000000.

The previous prime is 338889999997. The next prime is 338890000039. The reversal of 338890000000 is 98833.

It can be written as a sum of positive squares in 8 ways, for example, as 239402746944 + 99487253056 = 489288^2 + 315416^2 .

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

It is a super-2 number, since 2×3388900000002 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9983056 + ... + 10016944.

Almost surely, 2338890000000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 338890000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421969134600).

338890000000 is an abundant number, since it is smaller than the sum of its proper divisors (505048269200).

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

338890000000 is an frugal number, since it uses more digits than its factorization.

338890000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33938 (or 33896 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 338890000000 its reverse (98833), we get a palindrome (338890098833).

The spelling of 338890000000 in words is "three hundred thirty-eight billion, eight hundred ninety million", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 625 640 800 1000 1250 1600 2000 2500 3125 3200 4000 5000 6250 8000 10000 12500 15625 16000 20000 25000 31250 33889 40000 50000 62500 67778 78125 80000 100000 125000 135556 156250 169445 200000 250000 271112 312500 338890 400000 500000 542224 625000 677780 847225 1000000 1084448 1250000 1355560 1694450 2000000 2168896 2500000 2711120 3388900 4236125 4337792 5000000 5422240 6777800 8472250 10000000 10844480 13555600 16944500 21180625 21688960 27111200 33889000 42361250 54222400 67778000 84722500 105903125 108444800 135556000 169445000 211806250 271112000 338890000 423612500 529515625 542224000 677780000 847225000 1059031250 1355560000 1694450000 2118062500 2647578125 2711120000 3388900000 4236125000 5295156250 6777800000 8472250000 10590312500 13555600000 16944500000 21180625000 33889000000 42361250000 67778000000 84722500000 169445000000 338890000000