Base | Representation |
---|---|
bin | 1101111001010001011010… |
… | …01010011000100010100111 |
3 | 11000012001012021211211101120 |
4 | 12330220231022120202213 |
5 | 13001103424142243143 |
6 | 144552502222225023 |
7 | 6302352140360646 |
oct | 674505512304247 |
9 | 130161167754346 |
10 | 30555155040423 |
11 | 98104064a3792 |
12 | 3515963725173 |
13 | 1408453330800 |
14 | 778c3d7dd35d |
15 | 37ec22b31383 |
hex | 1bca2d2988a7 |
30555155040423 has 12 divisors (see below), whose sum is σ = 44115135088680. Its totient is φ = 18803172332256.
The previous prime is 30555155040401. The next prime is 30555155040461. The reversal of 30555155040423 is 32404055155503.
It is not a de Polignac number, because 30555155040423 - 212 = 30555155036327 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30555155040493) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30133288488 + ... + 30133289501.
It is an arithmetic number, because the mean of its divisors is an integer number (3676261257390).
Almost surely, 230555155040423 is an apocalyptic number.
30555155040423 is a deficient number, since it is larger than the sum of its proper divisors (13559980048257).
30555155040423 is a wasteful number, since it uses less digits than its factorization.
30555155040423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60266578018 (or 60266578005 counting only the distinct ones).
The product of its (nonzero) digits is 900000, while the sum is 42.
The spelling of 30555155040423 in words is "thirty trillion, five hundred fifty-five billion, one hundred fifty-five million, forty thousand, four hundred twenty-three".
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