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945070643101 = 1372697741777
BaseRepresentation
bin11011100000010101001…
…10011001011110011101
310100100101121010222102011
431300022212121132131
5110441001041034401
62002054235431221
7125164505631244
oct15601246313635
93310347128364
10945070643101
11334890816072
121331b22b5511
136b1732026b0
1433a551a395b
15198b4271451
hexdc0a99979d

945070643101 has 4 divisors (see below), whose sum is σ = 1017768384892. Its totient is φ = 872372901312.

The previous prime is 945070643063. The next prime is 945070643117. The reversal of 945070643101 is 101346070549.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 465978255876 + 479092387225 = 682626^2 + 692165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-945070643101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945070643501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36348870876 + ... + 36348870901.

It is an arithmetic number, because the mean of its divisors is an integer number (254442096223).

Almost surely, 2945070643101 is an apocalyptic number.

It is an amenable number.

945070643101 is a deficient number, since it is larger than the sum of its proper divisors (72697741791).

945070643101 is a wasteful number, since it uses less digits than its factorization.

945070643101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72697741790.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 945070643101 in words is "nine hundred forty-five billion, seventy million, six hundred forty-three thousand, one hundred one".

Divisors: 1 13 72697741777 945070643101