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16124360420 = 2257216453429
BaseRepresentation
bin11110000010001011…
…00011011011100100
31112121201211101020002
433001011203123210
5231010314013140
611224001000432
71110401542100
oct170105433344
945551741202
1016124360420
116924865703
123160023118
13169c778a8c
14acd6a4900
156458ad415
hex3c11636e4

16124360420 has 36 divisors (see below), whose sum is σ = 39389511420. Its totient is φ = 5528351808.

The previous prime is 16124360419. The next prime is 16124360443. The reversal of 16124360420 is 2406342161.

It can be written as a sum of positive squares in 2 ways, for example, as 12569100544 + 3555259876 = 112112^2 + 59626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8225735 + ... + 8227694.

It is an arithmetic number, because the mean of its divisors is an integer number (1094153095).

Almost surely, 216124360420 is an apocalyptic number.

16124360420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16124360420 is an abundant number, since it is smaller than the sum of its proper divisors (23265151000).

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

16124360420 is a wasteful number, since it uses less digits than its factorization.

16124360420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16453452 (or 16453443 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 16124360420 in words is "sixteen billion, one hundred twenty-four million, three hundred sixty thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 16453429 32906858 65813716 82267145 115174003 164534290 230348006 329068580 460696012 575870015 806218021 1151740030 1612436042 2303480060 3224872084 4031090105 8062180210 16124360420