Base | Representation |
---|---|
bin | 11100001000110000… |
… | …001011101011011001 |
3 | 2212222111111021211001 |
4 | 130020300023223121 |
5 | 443333133311140 |
6 | 21513511505001 |
7 | 2116446346312 |
oct | 341060135331 |
9 | 85874437731 |
10 | 30211619545 |
11 | 118a3742a18 |
12 | 5a31988161 |
13 | 2b0618a173 |
14 | 16685b3609 |
15 | bbc4cae9a |
hex | 708c0bad9 |
30211619545 has 16 divisors (see below), whose sum is σ = 36736053120. Its totient is φ = 23849776384.
The previous prime is 30211619533. The next prime is 30211619597. The reversal of 30211619545 is 54591611203.
It is not a de Polignac number, because 30211619545 - 217 = 30211488473 is a prime.
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, 10476 + ... + 246034.
It is an arithmetic number, because the mean of its divisors is an integer number (2296003320).
Almost surely, 230211619545 is an apocalyptic number.
It is an amenable number.
30211619545 is a deficient number, since it is larger than the sum of its proper divisors (6524433575).
30211619545 is a wasteful number, since it uses less digits than its factorization.
30211619545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 235904.
The product of its (nonzero) digits is 32400, while the sum is 37.
The spelling of 30211619545 in words is "thirty billion, two hundred eleven million, six hundred nineteen thousand, five hundred forty-five".
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