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423151242617 is a prime number
BaseRepresentation
bin1100010100001011100…
…01111000110101111001
31111110020010201100110002
412022011301320311321
523413103204230432
6522220515402345
742400040134115
oct6120561706571
91443203640402
10423151242617
11153503932664
126a0145b33b5
1330b97b42b7c
14166a2bc0745
15b019130e62
hex6285c78d79

423151242617 has 2 divisors, whose sum is σ = 423151242618. Its totient is φ = 423151242616.

The previous prime is 423151242517. The next prime is 423151242641. The reversal of 423151242617 is 716242151324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422787348841 + 363893776 = 650221^2 + 19076^2 .

It is a cyclic number.

It is not a de Polignac number, because 423151242617 - 214 = 423151226233 is a prime.

It is a super-2 number, since 2×4231512426172 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423151242517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211575621308 + 211575621309.

It is an arithmetic number, because the mean of its divisors is an integer number (211575621309).

Almost surely, 2423151242617 is an apocalyptic number.

It is an amenable number.

423151242617 is a deficient number, since it is larger than the sum of its proper divisors (1).

423151242617 is an equidigital number, since it uses as much as digits as its factorization.

423151242617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The spelling of 423151242617 in words is "four hundred twenty-three billion, one hundred fifty-one million, two hundred forty-two thousand, six hundred seventeen".