Base | Representation |
---|---|
bin | 11110100000100110100011… |
… | …10011011101010010011000 |
3 | 22210112211100210211210211200 |
4 | 33100103101303131102120 |
5 | 32243204140211402333 |
6 | 354405045501154200 |
7 | 20063105161633320 |
oct | 1720232163352230 |
9 | 283484323753750 |
10 | 67090909090968 |
11 | 1a417105141a94 |
12 | 763680185b960 |
13 | 2b58851456629 |
14 | 127d3084b2280 |
15 | 7b52c6353c13 |
hex | 3d04d1cdd498 |
67090909090968 has 192 divisors, whose sum is σ = 221854502688000. Its totient is φ = 17888901186816.
The previous prime is 67090909090921. The next prime is 67090909091039. The reversal of 67090909090968 is 86909090909076.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a junction number, because it is equal to n+sod(n) for n = 67090909090896 and 67090909090905.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51643123 + ... + 52926306.
It is an arithmetic number, because the mean of its divisors is an integer number (1155492201500).
Almost surely, 267090909090968 is an apocalyptic number.
It is an amenable number.
67090909090968 is an abundant number, since it is smaller than the sum of its proper divisors (154763593597032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67090909090968 is a wasteful number, since it uses less digits than its factorization.
67090909090968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104569534 (or 104569527 counting only the distinct ones).
The product of its (nonzero) digits is 119042784, while the sum is 72.
The spelling of 67090909090968 in words is "sixty-seven trillion, ninety billion, nine hundred nine million, ninety thousand, nine hundred sixty-eight".
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