Base | Representation |
---|---|
bin | 1101110111101000010101… |
… | …11011111111111100110001 |
3 | 10222222122121001210100210021 |
4 | 12323310022323333330301 |
5 | 12444142413021110424 |
6 | 144510533002403441 |
7 | 6265314235624561 |
oct | 673641273777461 |
9 | 128878531710707 |
10 | 30498746269489 |
11 | 979949a194233 |
12 | 3506a40500581 |
13 | 1403033902444 |
14 | 77620bc94da1 |
15 | 37d52080b4e4 |
hex | 1bbd0aefff31 |
30498746269489 has 9 divisors (see below), whose sum is σ = 30734067377451. Its totient is φ = 30265213478760.
The previous prime is 30498746269429. The next prime is 30498746269493. The reversal of 30498746269489 is 98496264789403.
The square root of 30498746269489 is 5522567.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 5806870965025 + 24691875304464 = 2409745^2 + 4969092^2 .
It is not a de Polignac number, because 30498746269489 - 213 = 30498746261297 is a prime.
It is a super-2 number, since 2×304987462694892 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30498746269429) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 723435199 + ... + 723477355.
Almost surely, 230498746269489 is an apocalyptic number.
30498746269489 is the 5522567-th square number.
30498746269489 is the 2761284-th centered octagonal number.
It is an amenable number.
30498746269489 is a deficient number, since it is larger than the sum of its proper divisors (235321107962).
30498746269489 is an frugal number, since it uses more digits than its factorization.
30498746269489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84576 (or 42288 counting only the distinct ones).
The product of its (nonzero) digits is 4514807808, while the sum is 79.
The spelling of 30498746269489 in words is "thirty trillion, four hundred ninety-eight billion, seven hundred forty-six million, two hundred sixty-nine thousand, four hundred eighty-nine".
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