Base | Representation |
---|---|
bin | 1000000010011000001… |
… | …0010000110101001111 |
3 | 111012101211101110122200 |
4 | 2000212002100311033 |
5 | 4230240213042121 |
6 | 143233131012543 |
7 | 12655451552130 |
oct | 2004602206517 |
9 | 435354343580 |
10 | 138077080911 |
11 | 53615a04610 |
12 | 2291589a153 |
13 | 10036395453 |
14 | 697c0b9c87 |
15 | 38d1ed7a26 |
hex | 2026090d4f |
138077080911 has 96 divisors (see below), whose sum is σ = 251493106176. Its totient is φ = 70912800000.
The previous prime is 138077080909. The next prime is 138077080957. The reversal of 138077080911 is 119080770831.
It is a happy number.
It is not a de Polignac number, because 138077080911 - 21 = 138077080909 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138077080411) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 73561705 + ... + 73563581.
It is an arithmetic number, because the mean of its divisors is an integer number (2619719856).
Almost surely, 2138077080911 is an apocalyptic number.
138077080911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
138077080911 is a deficient number, since it is larger than the sum of its proper divisors (113416025265).
138077080911 is a wasteful number, since it uses less digits than its factorization.
138077080911 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3053 (or 3050 counting only the distinct ones).
The product of its (nonzero) digits is 84672, while the sum is 45.
It can be divided in two parts, 1380770 and 80911, that added together give a square (1461681 = 12092).
The spelling of 138077080911 in words is "one hundred thirty-eight billion, seventy-seven million, eighty thousand, nine hundred eleven".
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