Base | Representation |
---|---|
bin | 11111010011100010010… |
… | …110111001101101101111 |
3 | 21121122211111022021021110 |
4 | 133103202112321231233 |
5 | 240221311003134013 |
6 | 4324141320203103 |
7 | 311265520233543 |
oct | 37234226715557 |
9 | 7548744267243 |
10 | 2151281302383 |
11 | 75a398236424 |
12 | 2a8b23909493 |
13 | 127b32403105 |
14 | 761a0495a23 |
15 | 3ae5e3072c3 |
hex | 1f4e25b9b6f |
2151281302383 has 8 divisors (see below), whose sum is σ = 2868448580608. Its totient is φ = 1434150779544.
The previous prime is 2151281302369. The next prime is 2151281302393. The reversal of 2151281302383 is 3832031821512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2151281302383 - 210 = 2151281301359 is a prime.
It is a super-2 number, since 2×21512813023832 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2151281302393) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9051985 + ... + 9286602.
It is an arithmetic number, because the mean of its divisors is an integer number (358556072576).
Almost surely, 22151281302383 is an apocalyptic number.
2151281302383 is a deficient number, since it is larger than the sum of its proper divisors (717167278225).
2151281302383 is a wasteful number, since it uses less digits than its factorization.
2151281302383 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18377693.
The product of its (nonzero) digits is 69120, while the sum is 39.
The spelling of 2151281302383 in words is "two trillion, one hundred fifty-one billion, two hundred eighty-one million, three hundred two thousand, three hundred eighty-three".
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