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15483890288080 = 245539293392969
BaseRepresentation
bin1110000101010001111111…
…0001111100010111010000
32000211020121221021221020001
43201110133301330113100
54012142001403204310
652533111225455344
73155450143604014
oct341243761742720
960736557257201
1015483890288080
114a2a754448a75
1218a0a6b641554
13884180950126
143b75d2368544
151bcb88d2e93a
hexe151fc7c5d0

15483890288080 has 80 divisors (see below), whose sum is σ = 36683331379920. Its totient is φ = 6076027203584.

The previous prime is 15483890288059. The next prime is 15483890288081. The reversal of 15483890288080 is 8088209838451.

It can be written as a sum of positive squares in 8 ways, for example, as 471024161344 + 15012866126736 = 686312^2 + 3874644^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15483890288081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39205836 + ... + 39598804.

It is an arithmetic number, because the mean of its divisors is an integer number (458541642249).

Almost surely, 215483890288080 is an apocalyptic number.

15483890288080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15483890288080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18341665689960).

15483890288080 is an abundant number, since it is smaller than the sum of its proper divisors (21199441091840).

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

15483890288080 is a wasteful number, since it uses less digits than its factorization.

15483890288080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402328 (or 402322 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 64.

The spelling of 15483890288080 in words is "fifteen trillion, four hundred eighty-three billion, eight hundred ninety million, two hundred eighty-eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 53 80 106 212 265 424 530 848 1060 2120 4240 9293 18586 37172 46465 74344 92930 148688 185860 371720 392969 492529 743440 785938 985058 1571876 1964845 1970116 2462645 3143752 3929690 3940232 4925290 6287504 7859380 7880464 9850580 15718760 19701160 20827357 31437520 39402320 41654714 83309428 104136785 166618856 208273570 333237712 416547140 833094280 1666188560 3651860917 7303721834 14607443668 18259304585 29214887336 36518609170 58429774672 73037218340 146074436680 193548628601 292148873360 387097257202 774194514404 967743143005 1548389028808 1935486286010 3096778057616 3870972572020 7741945144040 15483890288080