Base | Representation |
---|---|
bin | 10100000110101000010… |
… | …011111110110110110110 |
3 | 11220001220200121202000010 |
4 | 110012220103332312312 |
5 | 140113312112000002 |
6 | 2534353421401050 |
7 | 201545030621463 |
oct | 24065023766666 |
9 | 4801820552003 |
10 | 1381508312502 |
11 | 49299247682a |
12 | 1a38b4409186 |
13 | a0377871c56 |
14 | 4ac1878c66a |
15 | 25e09a3146c |
hex | 141a84fedb6 |
1381508312502 has 8 divisors (see below), whose sum is σ = 2763016625016. Its totient is φ = 460502770832.
The previous prime is 1381508312479. The next prime is 1381508312519. The reversal of 1381508312502 is 2052138051831.
It is a sphenic number, since it is the product of 3 distinct primes.
1381508312502 is an admirable number.
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, 115125692703 + ... + 115125692714.
It is an arithmetic number, because the mean of its divisors is an integer number (345377078127).
Almost surely, 21381508312502 is an apocalyptic number.
1381508312502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1381508312502 is a wasteful number, since it uses less digits than its factorization.
1381508312502 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230251385422.
The product of its (nonzero) digits is 57600, while the sum is 39.
The spelling of 1381508312502 in words is "one trillion, three hundred eighty-one billion, five hundred eight million, three hundred twelve thousand, five hundred two".
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