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16885244128 = 254341929287
BaseRepresentation
bin11111011100111000…
…00110000011100000
31121120202120021110011
433232130012003200
5234040110303003
611431301214304
71135301130664
oct175634060340
947522507404
1016885244128
117185309915
123332a01394
1317912b441c
14b6276a8a4
1568c5aa46d
hex3ee7060e0

16885244128 has 48 divisors (see below), whose sum is σ = 34098261120. Its totient is φ = 8226320256.

The previous prime is 16885244099. The next prime is 16885244183. The reversal of 16885244128 is 82144258861.

It is a super-2 number, since 2×168852441282 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561901 + ... + 591187.

It is an arithmetic number, because the mean of its divisors is an integer number (710380440).

Almost surely, 216885244128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16885244128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17049130560).

16885244128 is an abundant number, since it is smaller than the sum of its proper divisors (17213016992).

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

16885244128 is a wasteful number, since it uses less digits than its factorization.

16885244128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29759 (or 29751 counting only the distinct ones).

The product of its digits is 983040, while the sum is 49.

The spelling of 16885244128 in words is "sixteen billion, eight hundred eighty-five million, two hundred forty-four thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 43 86 172 344 419 688 838 1376 1676 3352 6704 13408 18017 29287 36034 58574 72068 117148 144136 234296 288272 468592 576544 937184 1259341 2518682 5037364 10074728 12271253 20149456 24542506 40298912 49085012 98170024 196340048 392680096 527663879 1055327758 2110655516 4221311032 8442622064 16885244128