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1523113201 is a prime number
BaseRepresentation
bin101101011001000…
…1101110011110001
310221011000011112001
41122302031303301
511104404110301
6411045334001
752513151161
oct13262156361
93834004461
101523113201
11711837545
12366107301
131b372571c
141063dc5a1
158dab2c01
hex5ac8dcf1

1523113201 has 2 divisors, whose sum is σ = 1523113202. Its totient is φ = 1523113200.

The previous prime is 1523113187. The next prime is 1523113213. The reversal of 1523113201 is 1023113251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1259895025 + 263218176 = 35495^2 + 16224^2 .

It is an emirp because it is prime and its reverse (1023113251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1523113201 - 211 = 1523111153 is a prime.

It is a super-3 number, since 3×15231132013 (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1523113271) 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 as a sum of consecutive naturals, namely, 761556600 + 761556601.

It is an arithmetic number, because the mean of its divisors is an integer number (761556601).

Almost surely, 21523113201 is an apocalyptic number.

It is an amenable number.

1523113201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523113201 is an equidigital number, since it uses as much as digits as its factorization.

1523113201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1523113201 is about 39027.0829168668. The cubic root of 1523113201 is about 1150.5638573270.

Adding to 1523113201 its reverse (1023113251), we get a palindrome (2546226452).

The spelling of 1523113201 in words is "one billion, five hundred twenty-three million, one hundred thirteen thousand, two hundred one".