Base | Representation |
---|---|
bin | 11111010011100010010… |
… | …110111001101101101110 |
3 | 21121122211111022021021102 |
4 | 133103202112321231232 |
5 | 240221311003134012 |
6 | 4324141320203102 |
7 | 311265520233542 |
oct | 37234226715556 |
9 | 7548744267242 |
10 | 2151281302382 |
11 | 75a398236423 |
12 | 2a8b23909492 |
13 | 127b32403104 |
14 | 761a0495a22 |
15 | 3ae5e3072c2 |
hex | 1f4e25b9b6e |
2151281302382 has 8 divisors (see below), whose sum is σ = 3231184732536. Its totient is φ = 1074219724872.
The previous prime is 2151281302369. The next prime is 2151281302393. The reversal of 2151281302382 is 2832031821512.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×21512813023822 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710461268 + ... + 710464295.
It is an arithmetic number, because the mean of its divisors is an integer number (403898091567).
Almost surely, 22151281302382 is an apocalyptic number.
2151281302382 is a deficient number, since it is larger than the sum of its proper divisors (1079903430154).
2151281302382 is a wasteful number, since it uses less digits than its factorization.
2151281302382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1420926322.
The product of its (nonzero) digits is 46080, while the sum is 38.
The spelling of 2151281302382 in words is "two trillion, one hundred fifty-one billion, two hundred eighty-one million, three hundred two thousand, three hundred eighty-two".
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