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30029391113 = 191157221943
BaseRepresentation
bin11011111101111001…
…000010010100001001
32212111210121010101212
4123331321002110021
5443000011003423
621443442022505
72112104420141
oct337571022411
985453533355
1030029391113
111180a899007
1259a0947a35
132aa74b5ba7
14164c2d9921
15bab4d2578
hex6fde42509

30029391113 has 4 divisors (see below), whose sum is σ = 30186613248. Its totient is φ = 29872168980.

The previous prime is 30029391103. The next prime is 30029391127. The reversal of 30029391113 is 31119392003.

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.

It is a cyclic number.

It is not a de Polignac number, because 30029391113 - 216 = 30029325577 is a prime.

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 30029391113.

It is not an unprimeable number, because it can be changed into a prime (30029391103) 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, 78610781 + ... + 78611162.

It is an arithmetic number, because the mean of its divisors is an integer number (7546653312).

Almost surely, 230029391113 is an apocalyptic number.

It is an amenable number.

30029391113 is a deficient number, since it is larger than the sum of its proper divisors (157222135).

30029391113 is a wasteful number, since it uses less digits than its factorization.

30029391113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157222134.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 30029391113 in words is "thirty billion, twenty-nine million, three hundred ninety-one thousand, one hundred thirteen".

Divisors: 1 191 157221943 30029391113