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30101010023 = 721673678481
BaseRepresentation
bin11100000010001010…
…001111011001100111
32212200210100202002002
4130002022033121213
5443121324310043
621454521035515
72113634235500
oct340212173147
985623322062
1030101010023
1111847265397
125a00925b9b
132ab92a0546
141657a1dba7
15bb292cbb8
hex70228f667

30101010023 has 12 divisors (see below), whose sum is σ = 35225143632. Its totient is φ = 25646362560.

The previous prime is 30101009963. The next prime is 30101010109. The reversal of 30101010023 is 32001010103.

It is not a de Polignac number, because 30101010023 - 210 = 30101008999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30101009986 and 30101010013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30101010523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1831058 + ... + 1847423.

It is an arithmetic number, because the mean of its divisors is an integer number (2935428636).

Almost surely, 230101010023 is an apocalyptic number.

30101010023 is a deficient number, since it is larger than the sum of its proper divisors (5124133609).

30101010023 is a wasteful number, since it uses less digits than its factorization.

30101010023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678662 (or 3678655 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 30101010023 its reverse (32001010103), we get a palindrome (62102020126).

The spelling of 30101010023 in words is "thirty billion, one hundred one million, ten thousand, twenty-three".

Divisors: 1 7 49 167 1169 8183 3678481 25749367 180245569 614306327 4300144289 30101010023