Base | Representation |
---|---|
bin | 1101111000100010111101… |
… | …11111100100011100110101 |
3 | 11000002122211121112200101112 |
4 | 12330101132333210130311 |
5 | 13000201343120401040 |
6 | 144533220125004405 |
7 | 6300510225640166 |
oct | 674213677443465 |
9 | 130078747480345 |
10 | 30530221262645 |
11 | 9800880a88475 |
12 | 3510b653b3705 |
13 | 1405cab742450 |
14 | 77795617376d |
15 | 37e263b90365 |
hex | 1bc45efe4735 |
30530221262645 has 16 divisors (see below), whose sum is σ = 39626729934960. Its totient is φ = 22446942649344.
The previous prime is 30530221262627. The next prime is 30530221262663. The reversal of 30530221262645 is 54626212203503.
It is an interprime number because it is at equal distance from previous prime (30530221262627) and next prime (30530221262663).
It can be written as a sum of positive squares in 8 ways, for example, as 260352001009 + 30269869261636 = 510247^2 + 5501806^2 .
It is a cyclic number.
It is not a de Polignac number, because 30530221262645 - 212 = 30530221258549 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1025521604 + ... + 1025551373.
It is an arithmetic number, because the mean of its divisors is an integer number (2476670620935).
Almost surely, 230530221262645 is an apocalyptic number.
It is an amenable number.
30530221262645 is a deficient number, since it is larger than the sum of its proper divisors (9096508672315).
30530221262645 is a wasteful number, since it uses less digits than its factorization.
30530221262645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2051073224.
The product of its (nonzero) digits is 518400, while the sum is 41.
The spelling of 30530221262645 in words is "thirty trillion, five hundred thirty billion, two hundred twenty-one million, two hundred sixty-two thousand, six hundred forty-five".
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