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30031032119 = 112730093829
BaseRepresentation
bin11011111101111111…
…010010111100110111
32212111220200111102212
4123331333102330313
5443000421011434
621443541124035
72112124363334
oct337577227467
985456614385
1030031032119
1111810809a10
1259a13b961b
132aa793baba
14164c60598b
15bab7088ce
hex6fdfd2f37

30031032119 has 4 divisors (see below), whose sum is σ = 32761125960. Its totient is φ = 27300938280.

The previous prime is 30031032047. The next prime is 30031032131. The reversal of 30031032119 is 91123013003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91123013003 = 118283910273.

It is a de Polignac number, because none of the positive numbers 2k-30031032119 is a prime.

It is a super-2 number, since 2×300310321192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30031032094 and 30031032103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031032139) 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, 1365046904 + ... + 1365046925.

It is an arithmetic number, because the mean of its divisors is an integer number (8190281490).

Almost surely, 230031032119 is an apocalyptic number.

30031032119 is a deficient number, since it is larger than the sum of its proper divisors (2730093841).

30031032119 is a wasteful number, since it uses less digits than its factorization.

30031032119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730093840.

The product of its (nonzero) digits is 486, while the sum is 23.

The spelling of 30031032119 in words is "thirty billion, thirty-one million, thirty-two thousand, one hundred nineteen".

Divisors: 1 11 2730093829 30031032119