Base | Representation |
---|---|
bin | 111111111110001011… |
… | …1101110110001001000 |
3 | 111010121010001210202021 |
4 | 1333330113232301020 |
5 | 4222322241043410 |
6 | 143035520414224 |
7 | 12632233201225 |
oct | 1777427566110 |
9 | 433533053667 |
10 | 137378065480 |
11 | 53297377a07 |
12 | 2275b777374 |
13 | cc5460c256 |
14 | 691331a94c |
15 | 389095beda |
hex | 1ffc5eec48 |
137378065480 has 32 divisors (see below), whose sum is σ = 309113459640. Its totient is φ = 54948948480.
The previous prime is 137378065471. The next prime is 137378065523. The reversal of 137378065480 is 84560873731.
It can be written as a sum of positive squares in 4 ways, for example, as 75360132324 + 62017933156 = 274518^2 + 249034^2 .
It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175452 + ... + 1287028.
Almost surely, 2137378065480 is an apocalyptic number.
137378065480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
137378065480 is an abundant number, since it is smaller than the sum of its proper divisors (171735394160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
137378065480 is a wasteful number, since it uses less digits than its factorization.
137378065480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142369 (or 142365 counting only the distinct ones).
The product of its (nonzero) digits is 3386880, while the sum is 52.
The spelling of 137378065480 in words is "one hundred thirty-seven billion, three hundred seventy-eight million, sixty-five thousand, four hundred eighty".
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