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30100120023 = 310033373341
BaseRepresentation
bin11100000010000110…
…110110000111010111
32212200201200112020010
4130002012312013113
5443121112320043
621454450011303
72113623540651
oct340206660727
985621615203
1030100120023
1111846807756
125a00576b33
132ab904b40c
14165786b6d1
15bb2804133
hex7021b61d7

30100120023 has 4 divisors (see below), whose sum is σ = 40133493368. Its totient is φ = 20066746680.

The previous prime is 30100119991. The next prime is 30100120027. The reversal of 30100120023 is 32002100103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30100120023 - 25 = 30100119991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30100119990 and 30100120008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30100120027) 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 3 ways as a sum of consecutive naturals, for example, 5016686668 + ... + 5016686673.

It is an arithmetic number, because the mean of its divisors is an integer number (10033373342).

Almost surely, 230100120023 is an apocalyptic number.

30100120023 is a deficient number, since it is larger than the sum of its proper divisors (10033373345).

30100120023 is a wasteful number, since it uses less digits than its factorization.

30100120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033373344.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30100120023 its reverse (32002100103), we get a palindrome (62102220126).

The spelling of 30100120023 in words is "thirty billion, one hundred million, one hundred twenty thousand, twenty-three".

Divisors: 1 3 10033373341 30100120023