Base | Representation |
---|---|
bin | 10100001100100110001… |
… | …100101110010010011101 |
3 | 11220200110012111201222211 |
4 | 110030212030232102131 |
5 | 140214422304244031 |
6 | 2541333253440421 |
7 | 202162556310310 |
oct | 24144614562235 |
9 | 4820405451884 |
10 | 1387915306141 |
11 | 4956800099a1 |
12 | 1a4ba2040111 |
13 | a0b5905a650 |
14 | 4b265662977 |
15 | 2618225ebb1 |
hex | 1432632e49d |
1387915306141 has 64 divisors (see below), whose sum is σ = 1763451289600. Its totient is φ = 1063299384576.
The previous prime is 1387915306121. The next prime is 1387915306187. The reversal of 1387915306141 is 1416035197831.
It is a happy number.
It is not a de Polignac number, because 1387915306141 - 25 = 1387915306109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1387915306121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110294536 + ... + 110307118.
It is an arithmetic number, because the mean of its divisors is an integer number (27553926400).
Almost surely, 21387915306141 is an apocalyptic number.
It is an amenable number.
1387915306141 is a deficient number, since it is larger than the sum of its proper divisors (375535983459).
1387915306141 is a wasteful number, since it uses less digits than its factorization.
1387915306141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12978.
The product of its (nonzero) digits is 544320, while the sum is 49.
The spelling of 1387915306141 in words is "one trillion, three hundred eighty-seven billion, nine hundred fifteen million, three hundred six thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •