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154420432214 = 2197391930031
BaseRepresentation
bin1000111111010000101…
…1001100110101010110
3112202120211021201220012
42033310023030311112
510012223112312324
6154534553440222
714104453005506
oct2176413146526
9482524251805
10154420432214
115a542343314
1225b17110072
131173c317519
14768c8a7a06
15403bc0220e
hex23f42ccd56

154420432214 has 8 divisors (see below), whose sum is σ = 232806439008. Its totient is φ = 76818285880.

The previous prime is 154420432213. The next prime is 154420432237. The reversal of 154420432214 is 412234024451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154420432213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195964622 + ... + 195965409.

It is an arithmetic number, because the mean of its divisors is an integer number (29100804876).

Almost surely, 2154420432214 is an apocalyptic number.

154420432214 is a deficient number, since it is larger than the sum of its proper divisors (78386006794).

154420432214 is a wasteful number, since it uses less digits than its factorization.

154420432214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391930230.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 154420432214 its reverse (412234024451), we get a palindrome (566654456665).

The spelling of 154420432214 in words is "one hundred fifty-four billion, four hundred twenty million, four hundred thirty-two thousand, two hundred fourteen".

Divisors: 1 2 197 394 391930031 783860062 77210216107 154420432214