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10230021157 is a prime number
BaseRepresentation
bin10011000011100000…
…11011110000100101
3222101221120220211111
421201300123300211
5131422341134112
64411040505021
7511336513366
oct114160336045
928357526744
1010230021157
11437a642344
121b9601b171
13c70556275
146d091bb6d
153ed1975a7
hex261c1bc25

10230021157 has 2 divisors, whose sum is σ = 10230021158. Its totient is φ = 10230021156.

The previous prime is 10230021149. The next prime is 10230021299. The reversal of 10230021157 is 75112003201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9047624161 + 1182396996 = 95119^2 + 34386^2 .

It is an emirp because it is prime and its reverse (75112003201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10230021157 - 23 = 10230021149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10230021107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115010578 + 5115010579.

It is an arithmetic number, because the mean of its divisors is an integer number (5115010579).

Almost surely, 210230021157 is an apocalyptic number.

It is an amenable number.

10230021157 is a deficient number, since it is larger than the sum of its proper divisors (1).

10230021157 is an equidigital number, since it uses as much as digits as its factorization.

10230021157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

Adding to 10230021157 its reverse (75112003201), we get a palindrome (85342024358).

The spelling of 10230021157 in words is "ten billion, two hundred thirty million, twenty-one thousand, one hundred fifty-seven".