Base | Representation |
---|---|
bin | 111110111000001000… |
… | …101001001100011000 |
3 | 20110021011002112101212 |
4 | 332320020221030120 |
5 | 2101232012024224 |
6 | 51003154402252 |
7 | 4610024454530 |
oct | 767010511430 |
9 | 213234075355 |
10 | 67513783064 |
11 | 266a5852532 |
12 | 11102290388 |
13 | 649c332980 |
14 | 33a67524c0 |
15 | 1b52208d0e |
hex | fb8229318 |
67513783064 has 64 divisors (see below), whose sum is σ = 156617072640. Its totient is φ = 26568858240.
The previous prime is 67513783049. The next prime is 67513783067. The reversal of 67513783064 is 46038731576.
It is a super-2 number, since 2×675137830642 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67513783067) 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, 103724 + ... + 381819.
It is an arithmetic number, because the mean of its divisors is an integer number (2447141760).
Almost surely, 267513783064 is an apocalyptic number.
It is an amenable number.
67513783064 is an abundant number, since it is smaller than the sum of its proper divisors (89103289576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67513783064 is a wasteful number, since it uses less digits than its factorization.
67513783064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 485760 (or 485756 counting only the distinct ones).
The product of its (nonzero) digits is 2540160, while the sum is 50.
The spelling of 67513783064 in words is "sixty-seven billion, five hundred thirteen million, seven hundred eighty-three thousand, sixty-four".
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