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16819045050 = 23526111511597
BaseRepresentation
bin11111010100111111…
…00100001010111010
31121102011000000101110
433222133210022322
5233421133420200
611420534301150
71133535344523
oct175237441272
947364000343
1016819045050
117150a04535
1233147b77b6
131780676982
14b57a5784a
15686880b50
hex3ea7e42ba

16819045050 has 96 divisors (see below), whose sum is σ = 42458425344. Its totient is φ = 4404960000.

The previous prime is 16819045037. The next prime is 16819045057. The reversal of 16819045050 is 5054091861.

It is not an unprimeable number, because it can be changed into a prime (16819045057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10530852 + ... + 10532448.

It is an arithmetic number, because the mean of its divisors is an integer number (442275264).

Almost surely, 216819045050 is an apocalyptic number.

16819045050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16819045050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21229212672).

16819045050 is an abundant number, since it is smaller than the sum of its proper divisors (25639380294).

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

16819045050 is a wasteful number, since it uses less digits than its factorization.

16819045050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 16819045050 in words is "sixteen billion, eight hundred nineteen million, forty-five thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 61 75 122 150 183 305 366 610 915 1151 1525 1597 1830 2302 3050 3194 3453 4575 4791 5755 6906 7985 9150 9582 11510 15970 17265 23955 28775 34530 39925 47910 57550 70211 79850 86325 97417 119775 140422 172650 194834 210633 239550 292251 351055 421266 487085 584502 702110 974170 1053165 1461255 1755275 1838147 2106330 2435425 2922510 3510550 3676294 4870850 5265825 5514441 7306275 9190735 10531650 11028882 14612550 18381470 27572205 45953675 55144410 91907350 112126967 137861025 224253934 275722050 336380901 560634835 672761802 1121269670 1681904505 2803174175 3363809010 5606348350 8409522525 16819045050