Base | Representation |
---|---|
bin | 11100000011010111… |
… | …100010101011010110 |
3 | 2212202012111021010100 |
4 | 130003113202223112 |
5 | 443142021232240 |
6 | 21500523234530 |
7 | 2114301414366 |
oct | 340327425326 |
9 | 85665437110 |
10 | 30121274070 |
11 | 11857746038 |
12 | 5a07678a46 |
13 | 2ac0546bc4 |
14 | 165a5b69a6 |
15 | bb45d1e30 |
hex | 7035e2ad6 |
30121274070 has 48 divisors (see below), whose sum is σ = 78368539392. Its totient is φ = 8026880640.
The previous prime is 30121274069. The next prime is 30121274147. The reversal of 30121274070 is 7047212103.
It is a happy number.
30121274070 is a `hidden beast` number, since 301 + 21 + 274 + 0 + 70 = 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, 20299 + ... + 246281.
It is an arithmetic number, because the mean of its divisors is an integer number (1632677904).
Almost surely, 230121274070 is an apocalyptic number.
30121274070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30121274070 is an abundant number, since it is smaller than the sum of its proper divisors (48247265322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30121274070 is a wasteful number, since it uses less digits than its factorization.
30121274070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227477 (or 227474 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
Adding to 30121274070 its reverse (7047212103), we get a palindrome (37168486173).
The spelling of 30121274070 in words is "thirty billion, one hundred twenty-one million, two hundred seventy-four thousand, seventy".
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