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16416404080 = 245205205051
BaseRepresentation
bin11110100100111111…
…00111001001110000
31120101002100201210221
433102133213021300
5232110044412310
611312552302424
71120546063246
oct172237471160
946332321727
1016416404080
116a646a53aa
1232219a1a14
13171811c28b
14b1a3a6796
15661349ada
hex3d27e7270

16416404080 has 20 divisors (see below), whose sum is σ = 38168139672. Its totient is φ = 6566561600.

The previous prime is 16416404041. The next prime is 16416404087. The reversal of 16416404080 is 8040461461.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16416404087) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 102602446 + ... + 102602605.

Almost surely, 216416404080 is an apocalyptic number.

16416404080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16416404080 is an abundant number, since it is smaller than the sum of its proper divisors (21751735592).

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

16416404080 is a wasteful number, since it uses less digits than its factorization.

16416404080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205205064 (or 205205058 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 16416404080 in words is "sixteen billion, four hundred sixteen million, four hundred four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 205205051 410410102 820820204 1026025255 1641640408 2052050510 3283280816 4104101020 8208202040 16416404080