Base | Representation |
---|---|
bin | 11100010101001100… |
… | …110010001110111100 |
3 | 2220112001102200020112 |
4 | 130111030302032330 |
5 | 444300113202332 |
6 | 21550331405152 |
7 | 2124563336243 |
oct | 342514621674 |
9 | 86461380215 |
10 | 30420444092 |
11 | 119a0602995 |
12 | 5a8b8b37b8 |
13 | 2b3a513c9c |
14 | 168821195a |
15 | bd09c9db2 |
hex | 7153323bc |
30420444092 has 12 divisors (see below), whose sum is σ = 55550376336. Its totient is φ = 14548908000.
The previous prime is 30420444071. The next prime is 30420444097. The reversal of 30420444092 is 29044402403.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30420444097) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165328409 + ... + 165328592.
It is an arithmetic number, because the mean of its divisors is an integer number (4629198028).
Almost surely, 230420444092 is an apocalyptic number.
It is an amenable number.
30420444092 is a deficient number, since it is larger than the sum of its proper divisors (25129932244).
30420444092 is a wasteful number, since it uses less digits than its factorization.
30420444092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 330657028 (or 330657026 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 32.
Adding to 30420444092 its reverse (29044402403), we get a palindrome (59464846495).
The spelling of 30420444092 in words is "thirty billion, four hundred twenty million, four hundred forty-four thousand, ninety-two".
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