Base | Representation |
---|---|
bin | 1000000011001001000… |
… | …0001110100111010100 |
3 | 111012221010002220200020 |
4 | 2000302100032213110 |
5 | 4231200202142221 |
6 | 143305332345140 |
7 | 12663521121321 |
oct | 2006220164724 |
9 | 435833086606 |
10 | 138282068436 |
11 | 53710693796 |
12 | 229724751b0 |
13 | 100699a7945 |
14 | 699b3d9b48 |
15 | 38e4ec9ac6 |
hex | 203240e9d4 |
138282068436 has 48 divisors (see below), whose sum is σ = 324802977408. Its totient is φ = 45788636800.
The previous prime is 138282068413. The next prime is 138282068459. The reversal of 138282068436 is 634860282831.
It is an interprime number because it is at equal distance from previous prime (138282068413) and next prime (138282068459).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030246 + ... + 1156706.
It is an arithmetic number, because the mean of its divisors is an integer number (6766728696).
Almost surely, 2138282068436 is an apocalyptic number.
It is an amenable number.
138282068436 is an abundant number, since it is smaller than the sum of its proper divisors (186520908972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138282068436 is a wasteful number, since it uses less digits than its factorization.
138282068436 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127072 (or 127070 counting only the distinct ones).
The product of its (nonzero) digits is 2654208, while the sum is 51.
The spelling of 138282068436 in words is "one hundred thirty-eight billion, two hundred eighty-two million, sixty-eight thousand, four hundred thirty-six".
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