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17900983050 = 2352149979613
BaseRepresentation
bin10000101010111110…
…110101001100001010
31201012112212011022020
4100222332311030022
5243130122424200
612120144105310
71202413562646
oct205276651412
951175764266
1017900983050
117656702575
123577005236
1318c3872382
14c1b613c26
156eb849ea0
hex42afb530a

17900983050 has 48 divisors (see below), whose sum is σ = 44424612000. Its totient is φ = 4770351040.

The previous prime is 17900983039. The next prime is 17900983097. The reversal of 17900983050 is 5038900971.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 17900982993 and 17900983011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185044 + ... + 264656.

It is an arithmetic number, because the mean of its divisors is an integer number (925512750).

Almost surely, 217900983050 is an apocalyptic number.

17900983050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17900983050 is an abundant number, since it is smaller than the sum of its proper divisors (26523628950).

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

17900983050 is a wasteful number, since it uses less digits than its factorization.

17900983050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81127 (or 81122 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 17900983050 in words is "seventeen billion, nine hundred million, nine hundred eighty-three thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 1499 2998 4497 7495 8994 14990 22485 37475 44970 74950 79613 112425 159226 224850 238839 398065 477678 796130 1194195 1990325 2388390 3980650 5970975 11941950 119339887 238679774 358019661 596699435 716039322 1193398870 1790098305 2983497175 3580196610 5966994350 8950491525 17900983050