Base | Representation |
---|---|
bin | 111111110100111000… |
… | …0111110111111010100 |
3 | 111002210100201002111001 |
4 | 1333221300332333110 |
5 | 4221202333342140 |
6 | 142544530153044 |
7 | 12621423040414 |
oct | 1775160767724 |
9 | 432710632431 |
10 | 137065918420 |
11 | 53147157232 |
12 | 22693122784 |
13 | cc04a4a552 |
14 | 68c3aa4644 |
15 | 387334de9a |
hex | 1fe9c3efd4 |
137065918420 has 48 divisors (see below), whose sum is σ = 297895651200. Its totient is φ = 52912379520.
The previous prime is 137065918393. The next prime is 137065918427. The reversal of 137065918420 is 24819560731.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (137065918427) 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, 1289251 + ... + 1391509.
It is an arithmetic number, because the mean of its divisors is an integer number (6206159400).
It is a 1-persistent number, because it is pandigital, but 2⋅137065918420 = 274131836840 is not.
Almost surely, 2137065918420 is an apocalyptic number.
137065918420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
137065918420 is an abundant number, since it is smaller than the sum of its proper divisors (160829732780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
137065918420 is a wasteful number, since it uses less digits than its factorization.
137065918420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104608 (or 104606 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 46.
The spelling of 137065918420 in words is "one hundred thirty-seven billion, sixty-five million, nine hundred eighteen thousand, four hundred twenty".
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