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475801142261 is a prime number
BaseRepresentation
bin1101110110001111111…
…01010100001111110101
31200111010101210101000012
412323013331110033311
530243420043023021
61002325141430005
746242536656604
oct6730775241765
91614111711005
10475801142261
11173871382515
1278268a0b305
1335b388a7343
1419059421a3b
15c59b46135b
hex6ec7f543f5

475801142261 has 2 divisors, whose sum is σ = 475801142262. Its totient is φ = 475801142260.

The previous prime is 475801142237. The next prime is 475801142263. The reversal of 475801142261 is 162241108574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238041531025 + 237759611236 = 487895^2 + 487606^2 .

It is a cyclic number.

It is not a de Polignac number, because 475801142261 - 210 = 475801141237 is a prime.

Together with 475801142263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475801142263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237900571130 + 237900571131.

It is an arithmetic number, because the mean of its divisors is an integer number (237900571131).

Almost surely, 2475801142261 is an apocalyptic number.

It is an amenable number.

475801142261 is a deficient number, since it is larger than the sum of its proper divisors (1).

475801142261 is an equidigital number, since it uses as much as digits as its factorization.

475801142261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 475801142261 in words is "four hundred seventy-five billion, eight hundred one million, one hundred forty-two thousand, two hundred sixty-one".