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30030000023 = 192276962671
BaseRepresentation
bin11011111101111011…
…010110111110010111
32212111211202001200002
4123331323112332113
5443000140000043
621443503041515
72112112534322
oct337573267627
985454661602
1030030000023
1111810174541
1259a0ba029b
132aa766a0aa
14164c4177b9
15bab5a2bb8
hex6fded6f97

30030000023 has 8 divisors (see below), whose sum is σ = 31749784320. Its totient is φ = 28324141560.

The previous prime is 30030000019. The next prime is 30030000041. The reversal of 30030000023 is 32000003003.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30030000023 - 22 = 30030000019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30029999959 and 30030000013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030000053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3477023 + ... + 3485648.

It is an arithmetic number, because the mean of its divisors is an integer number (3968723040).

Almost surely, 230030000023 is an apocalyptic number.

30030000023 is a deficient number, since it is larger than the sum of its proper divisors (1719784297).

30030000023 is a wasteful number, since it uses less digits than its factorization.

30030000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6962917.

The product of its (nonzero) digits is 54, while the sum is 11.

Adding to 30030000023 its reverse (32000003003), we get a palindrome (62030003026).

The spelling of 30030000023 in words is "thirty billion, thirty million, twenty-three", and thus it is an aban number and an uban number.

Divisors: 1 19 227 4313 6962671 132290749 1580526317 30030000023