Search a number
-
+
12732204816 = 2432227389507
BaseRepresentation
bin10111101101110011…
…00000011100010000
31012212022220000112100
423312321200130100
5202033421023231
65503223200400
7630341645442
oct136671403420
935768800470
1012732204816
115443aa7a21
122573ba6100
13127ba6b606
1488ad7a492
154e7ba51e6
hex2f6e60710

12732204816 has 60 divisors (see below), whose sum is σ = 35789553072. Its totient is φ = 4225361088.

The previous prime is 12732204803. The next prime is 12732204889. The reversal of 12732204816 is 61840223721.

It is a happy number.

12732204816 is a `hidden beast` number, since 127 + 32 + 20 + 481 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 162066 + ... + 227441.

Almost surely, 212732204816 is an apocalyptic number.

12732204816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12732204816 is an abundant number, since it is smaller than the sum of its proper divisors (23057348256).

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

12732204816 is a wasteful number, since it uses less digits than its factorization.

12732204816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389748 (or 389739 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 12732204816 in words is "twelve billion, seven hundred thirty-two million, two hundred four thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 227 454 681 908 1362 1816 2043 2724 3632 4086 5448 8172 10896 16344 32688 389507 779014 1168521 1558028 2337042 3116056 3505563 4674084 6232112 7011126 9348168 14022252 18696336 28044504 56089008 88418089 176836178 265254267 353672356 530508534 707344712 795762801 1061017068 1414689424 1591525602 2122034136 3183051204 4244068272 6366102408 12732204816