Base | Representation |
---|---|
bin | 10000011110000… |
… | …00010111110010 |
3 | 100121221211002220 |
4 | 20033000113302 |
5 | 240331321120 |
6 | 21413021510 |
7 | 3265160535 |
oct | 1017002762 |
9 | 317854086 |
10 | 138151410 |
11 | 70a8a221 |
12 | 3a324896 |
13 | 22810ac7 |
14 | 144c2a1c |
15 | c1ddb40 |
hex | 83c05f2 |
138151410 has 32 divisors (see below), whose sum is σ = 333770112. Its totient is φ = 36595200.
The previous prime is 138151393. The next prime is 138151411. The reversal of 138151410 is 14151831.
It is not an unprimeable number, because it can be changed into a prime (138151411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10719 + ... + 19778.
It is an arithmetic number, because the mean of its divisors is an integer number (10430316).
Almost surely, 2138151410 is an apocalyptic number.
138151410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
138151410 is an abundant number, since it is smaller than the sum of its proper divisors (195618702).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138151410 is a wasteful number, since it uses less digits than its factorization.
138151410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30658.
The product of its (nonzero) digits is 480, while the sum is 24.
The square root of 138151410 is about 11753.7827953387. The cubic root of 138151410 is about 516.9538498239.
It can be divided in two parts, 13815 and 1410, that added together give a triangular number (15225 = T174).
The spelling of 138151410 in words is "one hundred thirty-eight million, one hundred fifty-one thousand, four hundred ten".
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