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30023001013 = 291063973919
BaseRepresentation
bin11011111101100000…
…101010001110110101
32212111100120110211111
4123331200222032311
5442441342013023
621443053035021
72111666204125
oct337540521665
985440513744
1030023001013
1111807224035
12599a785a71
132aa6089475
14164b514c85
15baab6e00d
hex6fd82a3b5

30023001013 has 8 divisors (see below), whose sum is σ = 31087526400. Its totient is φ = 28960425648.

The previous prime is 30023000963. The next prime is 30023001049. The reversal of 30023001013 is 31010032003.

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 30023001013 - 229 = 29486130101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30023000984 and 30023001002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30023001053) 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, 456133 + ... + 517786.

It is an arithmetic number, because the mean of its divisors is an integer number (3885940800).

Almost surely, 230023001013 is an apocalyptic number.

It is an amenable number.

30023001013 is a deficient number, since it is larger than the sum of its proper divisors (1064525387).

30023001013 is a wasteful number, since it uses less digits than its factorization.

30023001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975011.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 30023001013 its reverse (31010032003), we get a palindrome (61033033016).

The spelling of 30023001013 in words is "thirty billion, twenty-three million, one thousand, thirteen".

Divisors: 1 29 1063 30827 973919 28243651 1035275897 30023001013