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9142471347 = 33047490449
BaseRepresentation
bin10001000001110111…
…10000101010110011
3212121011011122221220
420200323300222303
5122210433040342
64111110520123
7442362503262
oct104073605263
925534148856
109142471347
113971761049
121931966043
13b29144479
1462a3005d9
153879705ec
hex220ef0ab3

9142471347 has 4 divisors (see below), whose sum is σ = 12189961800. Its totient is φ = 6094980896.

The previous prime is 9142471339. The next prime is 9142471369. The reversal of 9142471347 is 7431742419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7431742419 = 32477247473.

It is a cyclic number.

It is not a de Polignac number, because 9142471347 - 23 = 9142471339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9142471299 and 9142471308.

It is not an unprimeable number, because it can be changed into a prime (9142471337) 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, 1523745222 + ... + 1523745227.

It is an arithmetic number, because the mean of its divisors is an integer number (3047490450).

Almost surely, 29142471347 is an apocalyptic number.

9142471347 is a deficient number, since it is larger than the sum of its proper divisors (3047490453).

9142471347 is a wasteful number, since it uses less digits than its factorization.

9142471347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047490452.

The product of its digits is 169344, while the sum is 42.

The square root of 9142471347 is about 95616.2713506441. The cubic root of 9142471347 is about 2091.0024225313.

The spelling of 9142471347 in words is "nine billion, one hundred forty-two million, four hundred seventy-one thousand, three hundred forty-seven".

Divisors: 1 3 3047490449 9142471347