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70150255145 = 514030051029
BaseRepresentation
bin100000101010101000…
…1111111001000101001
320201001220002012011222
41001111101333020221
52122131431131040
652120535231425
75032250221205
oct1012521771051
9221056065158
1070150255145
1127828a98a83
1211719218575
1367cc605719
143576969b05
151c588e0bb5
hex105547f229

70150255145 has 4 divisors (see below), whose sum is σ = 84180306180. Its totient is φ = 56120204112.

The previous prime is 70150255141. The next prime is 70150255157. The reversal of 70150255145 is 54155205107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54155205107 = 192850273953.

It can be written as a sum of positive squares in 2 ways, for example, as 14861316649 + 55288938496 = 121907^2 + 235136^2 .

It is a cyclic number.

It is not a de Polignac number, because 70150255145 - 22 = 70150255141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70150255141) 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 in 3 ways as a sum of consecutive naturals, for example, 7015025510 + ... + 7015025519.

It is an arithmetic number, because the mean of its divisors is an integer number (21045076545).

Almost surely, 270150255145 is an apocalyptic number.

It is an amenable number.

70150255145 is a deficient number, since it is larger than the sum of its proper divisors (14030051035).

70150255145 is a wasteful number, since it uses less digits than its factorization.

70150255145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14030051034.

The product of its (nonzero) digits is 35000, while the sum is 35.

The spelling of 70150255145 in words is "seventy billion, one hundred fifty million, two hundred fifty-five thousand, one hundred forty-five".

Divisors: 1 5 14030051029 70150255145