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34183906849 = 47898172103
BaseRepresentation
bin11111110101100001…
…010000011000100001
310021020100001101121001
4133311201100120201
51030002040004344
623412011432001
72320052262001
oct376541203041
9107210041531
1034183906849
1113551a19194
126760155601
1332ba127a21
141923d92001
15d510c9ed4
hex7f5850621

34183906849 has 8 divisors (see below), whose sum is σ = 35303489280. Its totient is φ = 33080668896.

The previous prime is 34183906831. The next prime is 34183906859. The reversal of 34183906849 is 94860938143.

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 34183906849 - 217 = 34183775777 is a prime.

It is a super-2 number, since 2×341839068492 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34183906849.

It is not an unprimeable number, because it can be changed into a prime (34183906819) 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, 4081869 + ... + 4090234.

It is an arithmetic number, because the mean of its divisors is an integer number (4412936160).

Almost surely, 234183906849 is an apocalyptic number.

It is an amenable number.

34183906849 is a deficient number, since it is larger than the sum of its proper divisors (1119582431).

34183906849 is an equidigital number, since it uses as much as digits as its factorization.

34183906849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8172239.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 34183906849 in words is "thirty-four billion, one hundred eighty-three million, nine hundred six thousand, eight hundred forty-nine".

Divisors: 1 47 89 4183 8172103 384088841 727317167 34183906849