Search a number
-
+
219193501832 = 231655272
BaseRepresentation
bin1100110000100011110…
…0110110100010001000
3202221202222020121020122
43030020330312202020
512042402014024312
6244410205242412
721556551011204
oct3141074664210
9687688217218
10219193501832
1184a61021208
1236593563408
13178928aa256
14a875229b04
155a7d4d2b72
hex3308f36888

219193501832 has 12 divisors (see below), whose sum is σ = 410990298855. Its totient is φ = 109596088808.

The previous prime is 219193501739. The next prime is 219193501861. The reversal of 219193501832 is 238105391912.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 109596750916 + 109596750916 = 331054^2 + 331054^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=331054.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1241453 + ... + 1406979.

Almost surely, 2219193501832 is an apocalyptic number.

It is an amenable number.

219193501832 is a deficient number, since it is larger than the sum of its proper divisors (191796797023).

219193501832 is an frugal number, since it uses more digits than its factorization.

219193501832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331060 (or 165529 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 219193501832 in words is "two hundred nineteen billion, one hundred ninety-three million, five hundred one thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 165527 331054 662108 1324216 27399187729 54798375458 109596750916 219193501832