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90125988301 is a prime number
BaseRepresentation
bin101001111101111101…
…1010111000111001101
322121122000221120120201
41103323323113013031
52434034223111201
6105223040413501
76340256155246
oct1237373270715
9277560846521
1090125988301
1135249852a58
1215573017291
138663c64a7b
14450d935ccd
152527466801
hex14fbed71cd

90125988301 has 2 divisors, whose sum is σ = 90125988302. Its totient is φ = 90125988300.

The previous prime is 90125988299. The next prime is 90125988347. The reversal of 90125988301 is 10388952109.

It is an a-pointer prime, because the next prime (90125988347) can be obtained adding 90125988301 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57972119076 + 32153869225 = 240774^2 + 179315^2 .

It is an emirp because it is prime and its reverse (10388952109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90125988301 - 21 = 90125988299 is a prime.

Together with 90125988299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90125988101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45062994150 + 45062994151.

It is an arithmetic number, because the mean of its divisors is an integer number (45062994151).

Almost surely, 290125988301 is an apocalyptic number.

It is an amenable number.

90125988301 is a deficient number, since it is larger than the sum of its proper divisors (1).

90125988301 is an equidigital number, since it uses as much as digits as its factorization.

90125988301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 90125988301 in words is "ninety billion, one hundred twenty-five million, nine hundred eighty-eight thousand, three hundred one".