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30346353949 = 43969126091
BaseRepresentation
bin11100010000110010…
…001001110100011101
32220022220000111200011
4130100302021310131
5444122131311244
621535123403221
72123003516062
oct342062116435
986286014604
1030346353949
11119627a896a
125a6ab23511
132b28072872
14167c446c69
15bc9242434
hex710c89d1d

30346353949 has 4 divisors (see below), whose sum is σ = 30415480480. Its totient is φ = 30277227420.

The previous prime is 30346353943. The next prime is 30346353979. The reversal of 30346353949 is 94935364303.

It is a happy number.

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: 94935364303 = 137302720331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30346353949 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 (30346353943) 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, 34562607 + ... + 34563484.

It is an arithmetic number, because the mean of its divisors is an integer number (7603870120).

Almost surely, 230346353949 is an apocalyptic number.

It is an amenable number.

30346353949 is a deficient number, since it is larger than the sum of its proper divisors (69126531).

30346353949 is an equidigital number, since it uses as much as digits as its factorization.

30346353949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69126530.

The product of its (nonzero) digits is 3149280, while the sum is 49.

The spelling of 30346353949 in words is "thirty billion, three hundred forty-six million, three hundred fifty-three thousand, nine hundred forty-nine".

Divisors: 1 439 69126091 30346353949