Base | Representation |
---|---|
bin | 11100001000000010… |
… | …001110011011000110 |
3 | 2212221122211012220211 |
4 | 130020002032123012 |
5 | 443322042302131 |
6 | 21512401350034 |
7 | 2116242061621 |
oct | 341002163306 |
9 | 85848735824 |
10 | 30199572166 |
11 | 11897964605 |
12 | 5a2993831a |
13 | 2b0382c73a |
14 | 1666b58db8 |
15 | bbb3eb5b1 |
hex | 70808e6c6 |
30199572166 has 4 divisors (see below), whose sum is σ = 45299358252. Its totient is φ = 15099786082.
The previous prime is 30199572119. The next prime is 30199572167. The reversal of 30199572166 is 66127599103.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30199572167) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7549893040 + ... + 7549893043.
It is an arithmetic number, because the mean of its divisors is an integer number (11324839563).
Almost surely, 230199572166 is an apocalyptic number.
30199572166 is a deficient number, since it is larger than the sum of its proper divisors (15099786086).
30199572166 is a wasteful number, since it uses less digits than its factorization.
30199572166 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15099786085.
The product of its (nonzero) digits is 612360, while the sum is 49.
The spelling of 30199572166 in words is "thirty billion, one hundred ninety-nine million, five hundred seventy-two thousand, one hundred sixty-six".
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