Base | Representation |
---|---|
bin | 11100011100011101… |
… | …010000011100101101 |
3 | 2220211112112122121110 |
4 | 130130131100130231 |
5 | 1000022300441134 |
6 | 22010401222233 |
7 | 2130602303436 |
oct | 343435203455 |
9 | 86745478543 |
10 | 30542202669 |
11 | 11a53305a10 |
12 | 5b04631979 |
13 | 2b59805494 |
14 | 169a46848d |
15 | bdb52b7e9 |
hex | 71c75072d |
30542202669 has 128 divisors (see below), whose sum is σ = 52063672320. Its totient is φ = 15676416000.
The previous prime is 30542202661. The next prime is 30542202671. The reversal of 30542202669 is 96620224503.
It is not a de Polignac number, because 30542202669 - 23 = 30542202661 is a prime.
It is a super-2 number, since 2×305422026692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30542202661) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16957569 + ... + 16959369.
It is an arithmetic number, because the mean of its divisors is an integer number (406747440).
Almost surely, 230542202669 is an apocalyptic number.
It is an amenable number.
30542202669 is a deficient number, since it is larger than the sum of its proper divisors (21521469651).
30542202669 is a wasteful number, since it uses less digits than its factorization.
30542202669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1931.
The product of its (nonzero) digits is 155520, while the sum is 39.
The spelling of 30542202669 in words is "thirty billion, five hundred forty-two million, two hundred two thousand, six hundred sixty-nine".
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