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949285667845 = 5189857133569
BaseRepresentation
bin11011101000001011101…
…01011100010000000101
310100202021100110102100201
431310011311130100011
5111023114112332340
62004032410210501
7125404120020154
oct15640565342005
93322240412321
10949285667845
11336654014599
12133b89a23a31
136b69553c088
1433d34ccb59b
1519a5e31c79a
hexdd05d5c405

949285667845 has 4 divisors (see below), whose sum is σ = 1139142801420. Its totient is φ = 759428534272.

The previous prime is 949285667833. The next prime is 949285667857. The reversal of 949285667845 is 548766582949.

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

It is an interprime number because it is at equal distance from previous prime (949285667833) and next prime (949285667857).

It can be written as a sum of positive squares in 2 ways, for example, as 124678197604 + 824607470241 = 353098^2 + 908079^2 .

It is a cyclic number.

It is not a de Polignac number, because 949285667845 - 29 = 949285667333 is a prime.

It is a super-2 number, since 2×9492856678452 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94928566780 + ... + 94928566789.

It is an arithmetic number, because the mean of its divisors is an integer number (284785700355).

Almost surely, 2949285667845 is an apocalyptic number.

It is an amenable number.

949285667845 is a deficient number, since it is larger than the sum of its proper divisors (189857133575).

949285667845 is a wasteful number, since it uses less digits than its factorization.

949285667845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189857133574.

The product of its digits is 1045094400, while the sum is 73.

The spelling of 949285667845 in words is "nine hundred forty-nine billion, two hundred eighty-five million, six hundred sixty-seven thousand, eight hundred forty-five".

Divisors: 1 5 189857133569 949285667845