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16468523440 = 2451753117431
BaseRepresentation
bin11110101011001100…
…11011100110110000
31120111201102200010121
433111212123212300
5232211420222230
611322053340024
71122051065605
oct172546334660
946451380117
1016468523440
116a91063456
123237337614
131725b6a235
14b232926ac
15665be277a
hex3d599b9b0

16468523440 has 40 divisors (see below), whose sum is σ = 38311485408. Its totient is φ = 6583595520.

The previous prime is 16468523413. The next prime is 16468523453. The reversal of 16468523440 is 4432586461.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81525 + ... + 198955.

Almost surely, 216468523440 is an apocalyptic number.

16468523440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16468523440 is an abundant number, since it is smaller than the sum of its proper divisors (21842961968).

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

16468523440 is a wasteful number, since it uses less digits than its factorization.

16468523440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119197 (or 119191 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 16468523440 in words is "sixteen billion, four hundred sixty-eight million, five hundred twenty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1753 3506 7012 8765 14024 17530 28048 35060 70120 117431 140240 234862 469724 587155 939448 1174310 1878896 2348620 4697240 9394480 205856543 411713086 823426172 1029282715 1646852344 2058565430 3293704688 4117130860 8234261720 16468523440