Base | Representation |
---|---|
bin | 11110101100001100111110… |
… | …10001110000000111111000 |
3 | 22211221221011211110020101011 |
4 | 33112012133101300013320 |
5 | 32321221440244243302 |
6 | 355312124545203304 |
7 | 20133645363153256 |
oct | 1726063721600770 |
9 | 284857154406334 |
10 | 67489493352952 |
11 | 1a560151606470 |
12 | 769baba930534 |
13 | 2b87302695968 |
14 | 129471a6275d6 |
15 | 7c08537e95d7 |
hex | 3d619f4701f8 |
67489493352952 has 64 divisors (see below), whose sum is σ = 138444322199040. Its totient is φ = 30588705907200.
The previous prime is 67489493352947. The next prime is 67489493352977. The reversal of 67489493352952 is 25925339498476.
It is a super-2 number, since 2×674894933529522 (a number of 28 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, 212251927 + ... + 212569657.
It is an arithmetic number, because the mean of its divisors is an integer number (2163192534360).
Almost surely, 267489493352952 is an apocalyptic number.
It is an amenable number.
67489493352952 is an abundant number, since it is smaller than the sum of its proper divisors (70954828846088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67489493352952 is a wasteful number, since it uses less digits than its factorization.
67489493352952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324692 (or 324688 counting only the distinct ones).
The product of its digits is 3527193600, while the sum is 76.
The spelling of 67489493352952 in words is "sixty-seven trillion, four hundred eighty-nine billion, four hundred ninety-three million, three hundred fifty-two thousand, nine hundred fifty-two".
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