Base | Representation |
---|---|
bin | 1101101001011110000111… |
… | …10001011000110111111010 |
3 | 10221021010210021122221111120 |
4 | 12310233003301120313322 |
5 | 12413210012034014320 |
6 | 143455231325410110 |
7 | 6215211546236310 |
oct | 664570361306772 |
9 | 127233707587446 |
10 | 30012221001210 |
11 | 962112537a158 |
12 | 34486a0109936 |
13 | 13991a9302106 |
14 | 75a8564960b0 |
15 | 370a47b51440 |
hex | 1b4bc3c58dfa |
30012221001210 has 32 divisors (see below), whose sum is σ = 82319234746752. Its totient is φ = 6859936228800.
The previous prime is 30012221001197. The next prime is 30012221001223. The reversal of 30012221001210 is 1210012221003.
It is an interprime number because it is at equal distance from previous prime (30012221001197) and next prime (30012221001223).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 30012221001210.
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, 71457668841 + ... + 71457669260.
It is an arithmetic number, because the mean of its divisors is an integer number (2572476085836).
Almost surely, 230012221001210 is an apocalyptic number.
30012221001210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30012221001210 is an abundant number, since it is smaller than the sum of its proper divisors (52307013745542).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30012221001210 is a wasteful number, since it uses less digits than its factorization.
30012221001210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142915338118.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 30012221001210 its reverse (1210012221003), we get a palindrome (31222233222213).
The spelling of 30012221001210 in words is "thirty trillion, twelve billion, two hundred twenty-one million, one thousand, two hundred ten".
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