Base | Representation |
---|---|
bin | 1010000010111001101… |
… | …10111011011111000101 |
3 | 1012222220110120021111110 |
4 | 11001130312323133011 |
5 | 21123334223140411 |
6 | 422321231355233 |
7 | 33636161350341 |
oct | 5013466733705 |
9 | 1188813507443 |
10 | 345155286981 |
11 | 12341a18579a |
12 | 56a87982b19 |
13 | 26717c7022b |
14 | 129c4274621 |
15 | 8ea1a732a6 |
hex | 505cdbb7c5 |
345155286981 has 8 divisors (see below), whose sum is σ = 460952930304. Its totient is φ = 229730584160.
The previous prime is 345155286967. The next prime is 345155287051. The reversal of 345155286981 is 189682551543.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 345155286981 - 226 = 345088178117 is a prime.
It is a super-2 number, since 2×3451552869812 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (345155286901) 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, 93232965 + ... + 93236666.
It is an arithmetic number, because the mean of its divisors is an integer number (57619116288).
Almost surely, 2345155286981 is an apocalyptic number.
It is an amenable number.
345155286981 is a deficient number, since it is larger than the sum of its proper divisors (115797643323).
345155286981 is a wasteful number, since it uses less digits than its factorization.
345155286981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186470251.
The product of its digits is 10368000, while the sum is 57.
The spelling of 345155286981 in words is "three hundred forty-five billion, one hundred fifty-five million, two hundred eighty-six thousand, nine hundred eighty-one".
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