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70252275161 is a prime number
BaseRepresentation
bin100000101101101011…
…1001010010111011001
320201100000001100100002
41001123113022113121
52122334040301121
652135022022345
75034626325515
oct1013327122731
9221300040302
1070252275161
112788063a142
12117474179b5
1368177a57b3
143586325145
151c62843e0b
hex105b5ca5d9

70252275161 has 2 divisors, whose sum is σ = 70252275162. Its totient is φ = 70252275160.

The previous prime is 70252275157. The next prime is 70252275179. The reversal of 70252275161 is 16157225207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68688547225 + 1563727936 = 262085^2 + 39544^2 .

It is a cyclic number.

It is not a de Polignac number, because 70252275161 - 22 = 70252275157 is a prime.

It is not a weakly prime, because it can be changed into another prime (70252275151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35126137580 + 35126137581.

It is an arithmetic number, because the mean of its divisors is an integer number (35126137581).

Almost surely, 270252275161 is an apocalyptic number.

It is an amenable number.

70252275161 is a deficient number, since it is larger than the sum of its proper divisors (1).

70252275161 is an equidigital number, since it uses as much as digits as its factorization.

70252275161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 70252275161 in words is "seventy billion, two hundred fifty-two million, two hundred seventy-five thousand, one hundred sixty-one".