Base | Representation |
---|---|
bin | 11100100111000100… |
… | …000101001011110110 |
3 | 2221021221101102121220 |
4 | 130213010011023312 |
5 | 1000403324333220 |
6 | 22040155251210 |
7 | 2135162662161 |
oct | 344704051366 |
9 | 87257342556 |
10 | 30720152310 |
11 | 120347a8131 |
12 | 5b54149b06 |
13 | 2b8763c023 |
14 | 16b5d4aad8 |
15 | bebe7c540 |
hex | 7271052f6 |
30720152310 has 32 divisors (see below), whose sum is σ = 74258795520. Its totient is φ = 8133103968.
The previous prime is 30720152293. The next prime is 30720152363. The reversal of 30720152310 is 1325102703.
It is a super-2 number, since 2×307201523102 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3679302 + ... + 3687641.
It is an arithmetic number, because the mean of its divisors is an integer number (2320587360).
Almost surely, 230720152310 is an apocalyptic number.
30720152310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30720152310 is an abundant number, since it is smaller than the sum of its proper divisors (43538643210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30720152310 is a wasteful number, since it uses less digits than its factorization.
30720152310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7367092.
The product of its (nonzero) digits is 1260, while the sum is 24.
The spelling of 30720152310 in words is "thirty billion, seven hundred twenty million, one hundred fifty-two thousand, three hundred ten".
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