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34030603661 = 53891631471
BaseRepresentation
bin11111101100011000…
…011100110110001101
310020211122120210011012
4133230120130312031
51024143313304121
623344453535005
72313211233635
oct375430346615
9106748523135
1034030603661
111348343023a
126718944465
133294440492
14190b8876c5
15d428e6c5b
hex7ec61cd8d

34030603661 has 4 divisors (see below), whose sum is σ = 34031289024. Its totient is φ = 34029918300.

The previous prime is 34030603589. The next prime is 34030603681. The reversal of 34030603661 is 16630603043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16630603043 = 19875294897.

It is a cyclic number.

It is not a de Polignac number, because 34030603661 - 214 = 34030587277 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 (34030603681) 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, 261845 + ... + 369626.

It is an arithmetic number, because the mean of its divisors is an integer number (8507822256).

Almost surely, 234030603661 is an apocalyptic number.

It is an amenable number.

34030603661 is a deficient number, since it is larger than the sum of its proper divisors (685363).

34030603661 is an equidigital number, since it uses as much as digits as its factorization.

34030603661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685362.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 34030603661 in words is "thirty-four billion, thirty million, six hundred three thousand, six hundred sixty-one".

Divisors: 1 53891 631471 34030603661