Base | Representation |
---|---|
bin | 11100010010011111… |
… | …011011011110100011 |
3 | 2220101212220212121221 |
4 | 130102133123132203 |
5 | 444201444444341 |
6 | 21542025355511 |
7 | 2123502145141 |
oct | 342237333643 |
9 | 86355825557 |
10 | 30374999971 |
11 | 11977994068 |
12 | 5a78638b97 |
13 | 2b30c92484 |
14 | 1682182591 |
15 | bcb9eeed1 |
hex | 7127db7a3 |
30374999971 has 16 divisors (see below), whose sum is σ = 33035869440. Its totient is φ = 27835647840.
The previous prime is 30374999969. The next prime is 30375000017. The reversal of 30374999971 is 17999947303.
It is a cyclic number.
It is not a de Polignac number, because 30374999971 - 21 = 30374999969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30374999771) 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, 140925 + ... + 283918.
It is an arithmetic number, because the mean of its divisors is an integer number (2064741840).
Almost surely, 230374999971 is an apocalyptic number.
30374999971 is a deficient number, since it is larger than the sum of its proper divisors (2660869469).
30374999971 is a wasteful number, since it uses less digits than its factorization.
30374999971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 424986.
The product of its (nonzero) digits is 11573604, while the sum is 61.
The spelling of 30374999971 in words is "thirty billion, three hundred seventy-four million, nine hundred ninety-nine thousand, nine hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •