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30034300123 = 32909912647
BaseRepresentation
bin11011111110001011…
…110000110011011011
32212112010211112022001
4123332023300303123
5443002240100443
621444135141431
72112164224132
oct337613606333
985463745261
1030034300123
1111812641243
1259a2514877
132aa8514429
14164cc16919
15babb51d4d
hex6fe2f0cdb

30034300123 has 4 divisors (see below), whose sum is σ = 30035245680. Its totient is φ = 30033354568.

The previous prime is 30034300099. The next prime is 30034300139. The reversal of 30034300123 is 32100343003.

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

It is a cyclic number.

It is not a de Polignac number, because 30034300123 - 229 = 29497429211 is a prime.

It is a super-3 number, since 3×300343001233 (a number of 32 digits) contains 333 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 30034300123.

It is not an unprimeable number, because it can be changed into a prime (30034300193) 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, 423415 + ... + 489232.

It is an arithmetic number, because the mean of its divisors is an integer number (7508811420).

Almost surely, 230034300123 is an apocalyptic number.

30034300123 is a deficient number, since it is larger than the sum of its proper divisors (945557).

30034300123 is an equidigital number, since it uses as much as digits as its factorization.

30034300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945556.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30034300123 its reverse (32100343003), we get a palindrome (62134643126).

The spelling of 30034300123 in words is "thirty billion, thirty-four million, three hundred thousand, one hundred twenty-three".

Divisors: 1 32909 912647 30034300123