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16217857136 = 2413139955733
BaseRepresentation
bin11110001101010100…
…01101110001110000
31112212020202111121102
433012222031301300
5231203232412021
611241140543532
71112615340215
oct170652156160
945766674542
1016217857136
116972615118
1231873b1ba8
1316b5c53490
14adbc81b0c
1564dbcb00b
hex3c6a8dc70

16217857136 has 40 divisors (see below), whose sum is σ = 33863978400. Its totient is φ = 7479680256.

The previous prime is 16217857087. The next prime is 16217857193. The reversal of 16217857136 is 63175871261.

16217857136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×162178571362 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 263126 + ... + 318858.

It is an arithmetic number, because the mean of its divisors is an integer number (846599460).

Almost surely, 216217857136 is an apocalyptic number.

16217857136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16217857136 is an abundant number, since it is smaller than the sum of its proper divisors (17646121264).

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

16217857136 is a wasteful number, since it uses less digits than its factorization.

16217857136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57153 (or 57147 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The spelling of 16217857136 in words is "sixteen billion, two hundred seventeen million, eight hundred fifty-seven thousand, one hundred thirty-six".

Divisors: 1 2 4 8 13 16 26 52 104 208 1399 2798 5596 11192 18187 22384 36374 55733 72748 111466 145496 222932 290992 445864 724529 891728 1449058 2898116 5796232 11592464 77970467 155940934 311881868 623763736 1013616071 1247527472 2027232142 4054464284 8108928568 16217857136