Base | Representation |
---|---|
bin | 11100000100000101… |
… | …111010110000101110 |
3 | 2212210001100220202200 |
4 | 130010011322300232 |
5 | 443203124300332 |
6 | 21502040002330 |
7 | 2114506640340 |
oct | 340405726056 |
9 | 85701326680 |
10 | 30133431342 |
11 | 11863599a73 |
12 | 5a0b7603a6 |
13 | 2ac2c12661 |
14 | 165c05d290 |
15 | bb56d417c |
hex | 70417ac2e |
30133431342 has 48 divisors (see below), whose sum is σ = 75276470880. Its totient is φ = 8533357056.
The previous prime is 30133431329. The next prime is 30133431371. The reversal of 30133431342 is 24313433103.
30133431342 is a `hidden beast` number, since 301 + 3 + 3 + 4 + 313 + 42 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043967 + ... + 1072442.
It is an arithmetic number, because the mean of its divisors is an integer number (1568259810).
Almost surely, 230133431342 is an apocalyptic number.
30133431342 is an abundant number, since it is smaller than the sum of its proper divisors (45143039538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30133431342 is a wasteful number, since it uses less digits than its factorization.
30133431342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2116537 (or 2116534 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 27.
Adding to 30133431342 its reverse (24313433103), we get a palindrome (54446864445).
The spelling of 30133431342 in words is "thirty billion, one hundred thirty-three million, four hundred thirty-one thousand, three hundred forty-two".
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