Base | Representation |
---|---|
bin | 11100110001100010… |
… | …011110001110111000 |
3 | 2221202012001220022111 |
4 | 130301202132032320 |
5 | 1001233322011014 |
6 | 22105434102104 |
7 | 2142425513041 |
oct | 346142361670 |
9 | 87665056274 |
10 | 30895891384 |
11 | 12114a1a536 |
12 | 5ba2b7a934 |
13 | 2bb4b80647 |
14 | 16d14158c8 |
15 | c0c5e32c4 |
hex | 73189e3b8 |
30895891384 has 64 divisors (see below), whose sum is σ = 59630709600. Its totient is φ = 15001706496.
The previous prime is 30895891357. The next prime is 30895891417. The reversal of 30895891384 is 48319859803.
It is a super-3 number, since 3×308958913843 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
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, 19893552 + ... + 19895104.
Almost surely, 230895891384 is an apocalyptic number.
It is an amenable number.
30895891384 is a deficient number, since it is larger than the sum of its proper divisors (28734818216).
30895891384 is a wasteful number, since it uses less digits than its factorization.
30895891384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2104 (or 2100 counting only the distinct ones).
The product of its (nonzero) digits is 7464960, while the sum is 58.
The spelling of 30895891384 in words is "thirty billion, eight hundred ninety-five million, eight hundred ninety-one thousand, three hundred eighty-four".
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