Base | Representation |
---|---|
bin | 11100001111011001… |
… | …111000011010111100 |
3 | 2220021021110212122110 |
4 | 130033121320122330 |
5 | 444100220322022 |
6 | 21532535414020 |
7 | 2122303031520 |
oct | 341731703274 |
9 | 86237425573 |
10 | 30323214012 |
11 | 11950733553 |
12 | 5a63224310 |
13 | 2b233301b0 |
14 | 1679341d80 |
15 | bc71c100c |
hex | 70f6786bc |
30323214012 has 96 divisors (see below), whose sum is σ = 87115295232. Its totient is φ = 7994278656.
The previous prime is 30323214011. The next prime is 30323214013. The reversal of 30323214012 is 21041232303.
It is an interprime number because it is at equal distance from previous prime (30323214011) and next prime (30323214013).
It is a super-2 number, since 2×303232140122 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 30323214012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30323214011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5165503 + ... + 5171369.
It is an arithmetic number, because the mean of its divisors is an integer number (907450992).
Almost surely, 230323214012 is an apocalyptic number.
It is an amenable number.
30323214012 is an abundant number, since it is smaller than the sum of its proper divisors (56792081220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30323214012 is a wasteful number, since it uses less digits than its factorization.
30323214012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10627 (or 10625 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 30323214012 its reverse (21041232303), we get a palindrome (51364446315).
The spelling of 30323214012 in words is "thirty billion, three hundred twenty-three million, two hundred fourteen thousand, twelve".
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