Base | Representation |
---|---|
bin | 11100101000010000… |
… | …101001000111010010 |
3 | 2221100100011002122020 |
4 | 130220100221013102 |
5 | 1000423444104133 |
6 | 22042153352310 |
7 | 2135525402463 |
oct | 345020510722 |
9 | 87310132566 |
10 | 30740222418 |
11 | 120450660a4 |
12 | 5b5aa08696 |
13 | 2b8b848329 |
14 | 16b8892d6a |
15 | bedae40b3 |
hex | 7284291d2 |
30740222418 has 32 divisors (see below), whose sum is σ = 63496015872. Its totient is φ = 9911149200.
The previous prime is 30740222411. The next prime is 30740222437. The reversal of 30740222418 is 81422204703.
It is a happy number.
It is a super-2 number, since 2×307402224182 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30740222411) 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, 332955 + ... + 415137.
It is an arithmetic number, because the mean of its divisors is an integer number (1984250496).
Almost surely, 230740222418 is an apocalyptic number.
30740222418 is an abundant number, since it is smaller than the sum of its proper divisors (32755793454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30740222418 is a wasteful number, since it uses less digits than its factorization.
30740222418 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84230.
The product of its (nonzero) digits is 21504, while the sum is 33.
It can be divided in two parts, 3074022 and 2418, that added together give a triangular number (3076440 = T2480).
The spelling of 30740222418 in words is "thirty billion, seven hundred forty million, two hundred twenty-two thousand, four hundred eighteen".
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