Base | Representation |
---|---|
bin | 10001101011000000101… |
… | …000100100010100000000 |
3 | 11022002121111121221201010 |
4 | 101223000220210110000 |
5 | 124344104113344230 |
6 | 2325520553240520 |
7 | 153511164046122 |
oct | 21530050442400 |
9 | 4262544557633 |
10 | 1214412637440 |
11 | 429036301a02 |
12 | 177440403140 |
13 | 8a698541342 |
14 | 42ac6735212 |
15 | 218ca17b9b0 |
hex | 11ac0a24500 |
1214412637440 has 72 divisors (see below), whose sum is σ = 3878530373088. Its totient is φ = 323843368960.
The previous prime is 1214412637429. The next prime is 1214412637453. The reversal of 1214412637440 is 447362144121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158122806 + ... + 158130485.
It is an arithmetic number, because the mean of its divisors is an integer number (53868477404).
Almost surely, 21214412637440 is an apocalyptic number.
1214412637440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1214412637440 is an abundant number, since it is smaller than the sum of its proper divisors (2664117735648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214412637440 is an equidigital number, since it uses as much as digits as its factorization.
1214412637440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 316253315 (or 316253301 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 39.
The spelling of 1214412637440 in words is "one trillion, two hundred fourteen billion, four hundred twelve million, six hundred thirty-seven thousand, four hundred forty".
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