Base | Representation |
---|---|
bin | 11100001011111110… |
… | …011010001001110111 |
3 | 2220010021012212111202 |
4 | 130023332122021313 |
5 | 443441003234003 |
6 | 21523122323115 |
7 | 2121004016402 |
oct | 341376321167 |
9 | 86107185452 |
10 | 30265680503 |
11 | 119212077a3 |
12 | 5a47ab949b |
13 | 2b14437ab6 |
14 | 1671846d39 |
15 | bc2109088 |
hex | 70bf9a277 |
30265680503 has 16 divisors (see below), whose sum is σ = 31354297344. Its totient is φ = 29198205600.
The previous prime is 30265680493. The next prime is 30265680521. The reversal of 30265680503 is 30508656203.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30265680503 - 224 = 30248903287 is a prime.
It is a super-2 number, since 2×302656805032 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30268680503) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1063526 + ... + 1091612.
It is an arithmetic number, because the mean of its divisors is an integer number (1959643584).
Almost surely, 230265680503 is an apocalyptic number.
30265680503 is a deficient number, since it is larger than the sum of its proper divisors (1088616841).
30265680503 is a wasteful number, since it uses less digits than its factorization.
30265680503 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28462.
The product of its (nonzero) digits is 129600, while the sum is 38.
The spelling of 30265680503 in words is "thirty billion, two hundred sixty-five million, six hundred eighty thousand, five hundred three".
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