Base | Representation |
---|---|
bin | 11100101100110001001… |
… | …011010011000110101100 |
3 | 20222112122001112100101210 |
4 | 130230301023103012230 |
5 | 224303044022044114 |
6 | 4110004552434420 |
7 | 262326220123065 |
oct | 34546113230654 |
9 | 6875561470353 |
10 | 1972215034284 |
11 | 6a0458a75900 |
12 | 27a28a9a8a10 |
13 | 113c96065a61 |
14 | 6b6546b756c |
15 | 3647da90259 |
hex | 1cb312d31ac |
1972215034284 has 36 divisors (see below), whose sum is σ = 5058215422232. Its totient is φ = 597640919040.
The previous prime is 1972215034261. The next prime is 1972215034351. The reversal of 1972215034284 is 4824305122791.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 679135957 + ... + 679138860.
Almost surely, 21972215034284 is an apocalyptic number.
It is an amenable number.
1972215034284 is an abundant number, since it is smaller than the sum of its proper divisors (3086000387948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1972215034284 is a wasteful number, since it uses less digits than its factorization.
1972215034284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1358274846 (or 1358274833 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 48.
The spelling of 1972215034284 in words is "one trillion, nine hundred seventy-two billion, two hundred fifteen million, thirty-four thousand, two hundred eighty-four".
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