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8945311193 = 71398300123
BaseRepresentation
bin10000101010010111…
…01001110111011001
3212002102011220001222
420111023221313121
5121304444424233
64035345021425
7434446614320
oct102513516731
925072156058
108945311193
113880438775
121897924875
13ac7342960
1460c05b0b7
153754c7898
hex2152e9dd9

8945311193 has 8 divisors (see below), whose sum is σ = 11009613888. Its totient is φ = 7077608784.

The previous prime is 8945311189. The next prime is 8945311201. The reversal of 8945311193 is 3911135498.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8945311193 - 22 = 8945311189 is a prime.

It is a super-2 number, since 2×89453111932 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8945311103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49149971 + ... + 49150152.

It is an arithmetic number, because the mean of its divisors is an integer number (1376201736).

Almost surely, 28945311193 is an apocalyptic number.

It is an amenable number.

8945311193 is a deficient number, since it is larger than the sum of its proper divisors (2064302695).

8945311193 is a wasteful number, since it uses less digits than its factorization.

8945311193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98300143.

The product of its digits is 116640, while the sum is 44.

The square root of 8945311193 is about 94579.6552806152. The cubic root of 8945311193 is about 2075.8620267382.

The spelling of 8945311193 in words is "eight billion, nine hundred forty-five million, three hundred eleven thousand, one hundred ninety-three".

Divisors: 1 7 13 91 98300123 688100861 1277901599 8945311193