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15050213325440 = 27523515958321
BaseRepresentation
bin1101101100000010011010…
…0111100111101010000000
31222021210020020120121100122
43123000212213213222000
53433040314102403230
652001550023235412
73112225213336316
oct333004647475200
958253206517318
1015050213325440
11488283a078147
1218309b9ba8b68
138522c9230b77
143a06116960b6
151b1755ae6be5
hexdb0269e7a80

15050213325440 has 32 divisors (see below), whose sum is σ = 35979416232660. Its totient is φ = 6020085329920.

The previous prime is 15050213325419. The next prime is 15050213325443. The reversal of 15050213325440 is 4452331205051.

It can be written as a sum of positive squares in 2 ways, for example, as 15000005064256 + 50208261184 = 3872984^2 + 224072^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×150502133254402 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15050213325440.

It is not an unprimeable number, because it can be changed into a prime (15050213325443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11757978521 + ... + 11757979800.

Almost surely, 215050213325440 is an apocalyptic number.

15050213325440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15050213325440 is an abundant number, since it is smaller than the sum of its proper divisors (20929202907220).

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

15050213325440 is an equidigital number, since it uses as much as digits as its factorization.

15050213325440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23515958340 (or 23515958328 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 15050213325440 in words is "fifteen trillion, fifty billion, two hundred thirteen million, three hundred twenty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 23515958321 47031916642 94063833284 117579791605 188127666568 235159583210 376255333136 470319166420 752510666272 940638332840 1505021332544 1881276665680 3010042665088 3762553331360 7525106662720 15050213325440