Base | Representation |
---|---|
bin | 111110111000000111… |
… | …000110111110100110 |
3 | 20110021010100002120020 |
4 | 332320013012332212 |
5 | 2101231411141044 |
6 | 51003142020010 |
7 | 4610021160630 |
oct | 767007067646 |
9 | 213233302506 |
10 | 67513380774 |
11 | 266a55a8264 |
12 | 11102117606 |
13 | 649c221828 |
14 | 33a6689a50 |
15 | 1b52179a19 |
hex | fb81c6fa6 |
67513380774 has 32 divisors (see below), whose sum is σ = 156846080256. Its totient is φ = 18973314720.
The previous prime is 67513380761. The next prime is 67513380793. The reversal of 67513380774 is 47708331576.
It is a super-2 number, since 2×675133807742 (a number of 22 digits) contains 22 as substring.
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, 13173352 + ... + 13178475.
It is an arithmetic number, because the mean of its divisors is an integer number (4901440008).
Almost surely, 267513380774 is an apocalyptic number.
67513380774 is an abundant number, since it is smaller than the sum of its proper divisors (89332699482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67513380774 is a wasteful number, since it uses less digits than its factorization.
67513380774 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26351900.
The product of its (nonzero) digits is 2963520, while the sum is 51.
The spelling of 67513380774 in words is "sixty-seven billion, five hundred thirteen million, three hundred eighty thousand, seven hundred seventy-four".
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