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30031029999 = 3217871867253
BaseRepresentation
bin11011111101111111…
…010010011011101111
32212111220200101112100
4123331333102123233
5443000420424444
621443541110143
72112124354215
oct337577223357
985456611470
1030031029999
1111810808363
1259a13b8353
132aa793ab49
14164c604cb5
15bab707e69
hex6fdfd26ef

30031029999 has 12 divisors (see below), whose sum is σ = 43402451976. Its totient is φ = 20009472432.

The previous prime is 30031029997. The next prime is 30031030061. The reversal of 30031029999 is 99992013003.

30031029999 is a `hidden beast` number, since 300 + 310 + 29 + 9 + 9 + 9 = 666.

It is not a de Polignac number, because 30031029999 - 21 = 30031029997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031029991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 917544 + ... + 949709.

It is an arithmetic number, because the mean of its divisors is an integer number (3616870998).

Almost surely, 230031029999 is an apocalyptic number.

30031029999 is a deficient number, since it is larger than the sum of its proper divisors (13371421977).

30031029999 is a wasteful number, since it uses less digits than its factorization.

30031029999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869046 (or 1869043 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The spelling of 30031029999 in words is "thirty billion, thirty-one million, twenty-nine thousand, nine hundred ninety-nine".

Divisors: 1 3 9 1787 5361 16083 1867253 5601759 16805277 3336781111 10010343333 30031029999