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22501421401 = 79543752387
BaseRepresentation
bin10100111101001100…
…000111000101011001
32011002011101122022211
4110331030013011121
5332040330441101
614200443315121
71424414632444
oct247514070531
964064348284
1022501421401
1195a7513a38
12443b81baa1
1321779b4044
1411365c665b
158ba677c51
hex53d307159

22501421401 has 8 divisors (see below), whose sum is σ = 22790875520. Its totient is φ = 22212083088.

The previous prime is 22501421333. The next prime is 22501421443. The reversal of 22501421401 is 10412410522.

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

It is a cyclic number.

It is not a de Polignac number, because 22501421401 - 219 = 22500897113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22501421461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403330 + ... + 455716.

It is an arithmetic number, because the mean of its divisors is an integer number (2848859440).

Almost surely, 222501421401 is an apocalyptic number.

It is an amenable number.

22501421401 is a deficient number, since it is larger than the sum of its proper divisors (289454119).

22501421401 is an equidigital number, since it uses as much as digits as its factorization.

22501421401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57903.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 22501421401 its reverse (10412410522), we get a palindrome (32913831923).

The spelling of 22501421401 in words is "twenty-two billion, five hundred one million, four hundred twenty-one thousand, four hundred one".

Divisors: 1 79 5437 52387 429523 4138573 284828119 22501421401