Search a number
-
+
16613530420 = 2251783465887
BaseRepresentation
bin11110111100011111…
…00101101100110100
31120212211021210022111
433132033211230310
5233011030433140
611344313340404
71125461451514
oct173617455464
946784253274
1016613530420
1170559a5333
123277a07704
131749c0b596
14b3863b844
156737d77ea
hex3de3e5b34

16613530420 has 24 divisors (see below), whose sum is σ = 34908056064. Its totient is φ = 6641670816.

The previous prime is 16613530397. The next prime is 16613530463. The reversal of 16613530420 is 2403531661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197284 + ... + 268603.

It is an arithmetic number, because the mean of its divisors is an integer number (1454502336).

Almost surely, 216613530420 is an apocalyptic number.

16613530420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16613530420 is an abundant number, since it is smaller than the sum of its proper divisors (18294525644).

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

16613530420 is a wasteful number, since it uses less digits than its factorization.

16613530420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467679 (or 467677 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 16613530420 in words is "sixteen billion, six hundred thirteen million, five hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1783 3566 7132 8915 17830 35660 465887 931774 1863548 2329435 4658870 9317740 830676521 1661353042 3322706084 4153382605 8306765210 16613530420