Base | Representation |
---|---|
bin | 100000001010101011… |
… | …1100011010001111000 |
3 | 20121022011101120100200 |
4 | 1000111113203101320 |
5 | 2112432430101323 |
6 | 51422312402200 |
7 | 4663550034426 |
oct | 1002527432170 |
9 | 217264346320 |
10 | 69077972088 |
11 | 27328794934 |
12 | 1147a0a6360 |
13 | 668b40a7c8 |
14 | 34b43a4116 |
15 | 1be46d2443 |
hex | 10155e3478 |
69077972088 has 24 divisors (see below), whose sum is σ = 187086174600. Its totient is φ = 23025990672.
The previous prime is 69077972087. The next prime is 69077972101. The reversal of 69077972088 is 88027977096.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69077972083) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 479708068 + ... + 479708211.
It is an arithmetic number, because the mean of its divisors is an integer number (7795257275).
Almost surely, 269077972088 is an apocalyptic number.
It is an amenable number.
69077972088 is an abundant number, since it is smaller than the sum of its proper divisors (118008202512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69077972088 is a wasteful number, since it uses less digits than its factorization.
69077972088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 959416291 (or 959416284 counting only the distinct ones).
The product of its (nonzero) digits is 21337344, while the sum is 63.
The spelling of 69077972088 in words is "sixty-nine billion, seventy-seven million, nine hundred seventy-two thousand, eighty-eight".
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