Base | Representation |
---|---|
bin | 11100001011010010… |
… | …001111011110011110 |
3 | 2220002110102122101020 |
4 | 130023102033132132 |
5 | 443430022234210 |
6 | 21522030225010 |
7 | 2120503425156 |
oct | 341322173636 |
9 | 86073378336 |
10 | 30254102430 |
11 | 11915719a42 |
12 | 5a44055166 |
13 | 2b11c12b76 |
14 | 16700b1766 |
15 | bc10bd770 |
hex | 70b48f79e |
30254102430 has 64 divisors (see below), whose sum is σ = 73325564928. Its totient is φ = 7988610560.
The previous prime is 30254102399. The next prime is 30254102467. The reversal of 30254102430 is 3420145203.
It is a self number, because there is not a number n which added to its sum of digits gives 30254102430.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1306150 + ... + 1329110.
It is an arithmetic number, because the mean of its divisors is an integer number (1145711952).
Almost surely, 230254102430 is an apocalyptic number.
30254102430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30254102430 is an abundant number, since it is smaller than the sum of its proper divisors (43071462498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30254102430 is a wasteful number, since it uses less digits than its factorization.
30254102430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23401.
The product of its (nonzero) digits is 2880, while the sum is 24.
Adding to 30254102430 its reverse (3420145203), we get a palindrome (33674247633).
The spelling of 30254102430 in words is "thirty billion, two hundred fifty-four million, one hundred two thousand, four hundred thirty".
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