Base | Representation |
---|---|
bin | 11100010101001011… |
… | …001000010001110110 |
3 | 2220112000121121220211 |
4 | 130111023020101312 |
5 | 444300010310402 |
6 | 21550314220034 |
7 | 2124556551046 |
oct | 342513102166 |
9 | 86460547824 |
10 | 30420010102 |
11 | 119a0336919 |
12 | 5a8b72461a |
13 | 2b3a3c15a1 |
14 | 168813b726 |
15 | bd09414d7 |
hex | 7152c8476 |
30420010102 has 4 divisors (see below), whose sum is σ = 45630015156. Its totient is φ = 15210005050.
The previous prime is 30420010099. The next prime is 30420010111. The reversal of 30420010102 is 20101002403.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20101002403 = 1759 ⋅11427517.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7605002524 + ... + 7605002527.
It is an arithmetic number, because the mean of its divisors is an integer number (11407503789).
Almost surely, 230420010102 is an apocalyptic number.
30420010102 is a deficient number, since it is larger than the sum of its proper divisors (15210005054).
30420010102 is a wasteful number, since it uses less digits than its factorization.
30420010102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15210005053.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 30420010102 its reverse (20101002403), we get a palindrome (50521012505).
The spelling of 30420010102 in words is "thirty billion, four hundred twenty million, ten thousand, one hundred two".
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