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154221006425 = 52193110473413
BaseRepresentation
bin1000111110100001001…
…0011100111001011001
3112202001221000212010212
42033220102130321121
510011321034201200
6154503111220505
714066511632303
oct2175022347131
9482057025125
10154221006425
115a44a812812
1225a80377735
1311709c016b5
1476701d4973
15402945d035
hex23e849ce59

154221006425 has 24 divisors (see below), whose sum is σ = 207792533760. Its totient is φ = 113112849600.

The previous prime is 154221006403. The next prime is 154221006439. The reversal of 154221006425 is 524600122451.

154221006425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 154221006425 - 28 = 154221006169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154221006391 and 154221006400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5221982 + ... + 5251431.

It is an arithmetic number, because the mean of its divisors is an integer number (8658022240).

Almost surely, 2154221006425 is an apocalyptic number.

It is an amenable number.

154221006425 is a deficient number, since it is larger than the sum of its proper divisors (53571527335).

154221006425 is a wasteful number, since it uses less digits than its factorization.

154221006425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10473473 (or 10473468 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 154221006425 its reverse (524600122451), we get a palindrome (678821128876).

The spelling of 154221006425 in words is "one hundred fifty-four billion, two hundred twenty-one million, six thousand, four hundred twenty-five".

Divisors: 1 5 19 25 31 95 155 475 589 775 2945 14725 10473413 52367065 198994847 261835325 324675803 994974235 1623379015 4974871175 6168840257 8116895075 30844201285 154221006425