Base | Representation |
---|---|
bin | 10110011001010010100… |
… | …00011101101010100110 |
3 | 2201120012011200121100000 |
4 | 23030221100131222212 |
5 | 100101404234441104 |
6 | 1345255513402130 |
7 | 106410466236300 |
oct | 13145120355246 |
9 | 2646164617300 |
10 | 769491327654 |
11 | 2773808806a5 |
12 | 105171109346 |
13 | 577413b402a |
14 | 2935a548970 |
15 | 15039bda639 |
hex | b32941daa6 |
769491327654 has 288 divisors, whose sum is σ = 2030688092160. Its totient is φ = 217744547328.
The previous prime is 769491327623. The next prime is 769491327701. The reversal of 769491327654 is 456723194967.
769491327654 is a `hidden beast` number, since 7 + 69 + 491 + 3 + 27 + 65 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a junction number, because it is equal to n+sod(n) for n = 769491327591 and 769491327600.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2009115547 + ... + 2009115929.
It is an arithmetic number, because the mean of its divisors is an integer number (7051000320).
Almost surely, 2769491327654 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 769491327654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015344046080).
769491327654 is an abundant number, since it is smaller than the sum of its proper divisors (1261196764506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
769491327654 is a wasteful number, since it uses less digits than its factorization.
769491327654 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1006 (or 987 counting only the distinct ones).
The product of its digits is 68584320, while the sum is 63.
The spelling of 769491327654 in words is "seven hundred sixty-nine billion, four hundred ninety-one million, three hundred twenty-seven thousand, six hundred fifty-four".
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