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245042221000550 = 25217320989836387
BaseRepresentation
bin110111101101110101010110…
…100010011010011101100110
31012010121210210200221020210012
4313231311112202122131212
5224104232432034004200
62225054501532530222
7102420500445620531
oct6755652642323546
91163553720836705
10245042221000550
1171094905576566
12235969a8020972
13a6964c7b7545c
14447216cdd9a18
151d4e19ce7da35
hexdedd5689a766

245042221000550 has 48 divisors (see below), whose sum is σ = 482739424373520. Its totient is φ = 92222440412160.

The previous prime is 245042221000483. The next prime is 245042221000571. The reversal of 245042221000550 is 55000122240542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42190544 + ... + 47645843.

It is an arithmetic number, because the mean of its divisors is an integer number (10057071341115).

Almost surely, 2245042221000550 is an apocalyptic number.

245042221000550 is a deficient number, since it is larger than the sum of its proper divisors (237697203372970).

245042221000550 is a wasteful number, since it uses less digits than its factorization.

245042221000550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89839625 (or 89839620 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 245042221000550 in words is "two hundred forty-five trillion, forty-two billion, two hundred twenty-one million, five hundred fifty", and thus it is an aban number.

Divisors: 1 2 5 10 17 25 34 50 85 170 425 850 3209 6418 16045 32090 54553 80225 109106 160450 272765 545530 1363825 2727650 89836387 179672774 449181935 898363870 1527218579 2245909675 3054437158 4491819350 7636092895 15272185790 38180464475 76360928950 288284965883 576569931766 1441424829415 2882849658830 4900844420011 7207124147075 9801688840022 14414248294150 24504222100055 49008444200110 122521110500275 245042221000550