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16424212553 = 729631128221
BaseRepresentation
bin11110100101111010…
…11001100001001001
31120101122001110000122
433102331121201021
5232114044300203
611313431513025
71121002334420
oct172275314111
946348043018
1016424212553
116a69048a91
123224528775
131719924488
14b1b43a2b7
15661d8d538
hex3d2f59849

16424212553 has 16 divisors (see below), whose sum is σ = 19448712960. Its totient is φ = 13570804800.

The previous prime is 16424212543. The next prime is 16424212661. The reversal of 16424212553 is 35521242461.

It is not a de Polignac number, because 16424212553 - 28 = 16424212297 is a prime.

It is a super-2 number, since 2×164242125532 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16424212513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63983 + ... + 192203.

It is an arithmetic number, because the mean of its divisors is an integer number (1215544560).

Almost surely, 216424212553 is an apocalyptic number.

It is an amenable number.

16424212553 is a deficient number, since it is larger than the sum of its proper divisors (3024500407).

16424212553 is a wasteful number, since it uses less digits than its factorization.

16424212553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128888.

The product of its digits is 57600, while the sum is 35.

The spelling of 16424212553 in words is "sixteen billion, four hundred twenty-four million, two hundred twelve thousand, five hundred fifty-three".

Divisors: 1 7 29 203 631 4417 18299 128093 128221 897547 3718409 26028863 80907451 566352157 2346316079 16424212553