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30326741906 = 215163370953
BaseRepresentation
bin11100001111100111…
…010101101110010010
32220021112010010000012
4130033213111232102
5444102121220111
621533143154522
72122345024106
oct341747255622
986245103005
1030326741906
111195272306a
125a64445a42
132b23c96bc6
1416799bd906
15bc766b48b
hex70f9d5b92

30326741906 has 4 divisors (see below), whose sum is σ = 45490112862. Its totient is φ = 15163370952.

The previous prime is 30326741873. The next prime is 30326741917. The reversal of 30326741906 is 60914762303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60914762303 = 80251759053.

It can be written as a sum of positive squares in only one way, i.e., 17283046225 + 13043695681 = 131465^2 + 114209^2 .

It is a super-2 number, since 2×303267419062 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7581685475 + ... + 7581685478.

Almost surely, 230326741906 is an apocalyptic number.

30326741906 is a deficient number, since it is larger than the sum of its proper divisors (15163370956).

30326741906 is a wasteful number, since it uses less digits than its factorization.

30326741906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15163370955.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 30326741906 in words is "thirty billion, three hundred twenty-six million, seven hundred forty-one thousand, nine hundred six".

Divisors: 1 2 15163370953 30326741906