Base | Representation |
---|---|
bin | 100000100000011011… |
… | …1010110000111000100 |
3 | 20200012000112221222000 |
4 | 1001000313112013010 |
5 | 2120431234231134 |
6 | 52022541505300 |
7 | 5020620614046 |
oct | 1010067260704 |
9 | 220160487860 |
10 | 69807727044 |
11 | 27672707600 |
12 | 11642572230 |
13 | 6776667483 |
14 | 3543285a96 |
15 | 1c387d0e99 |
hex | 1040dd61c4 |
69807727044 has 144 divisors (see below), whose sum is σ = 199808985600. Its totient is φ = 21060578880.
The previous prime is 69807727027. The next prime is 69807727063. The reversal of 69807727044 is 44072770896.
It is a Harshad number since it is a multiple of its sum of digits (54).
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, 2980909 + ... + 3004235.
It is an arithmetic number, because the mean of its divisors is an integer number (1387562400).
Almost surely, 269807727044 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69807727044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99904492800).
69807727044 is an abundant number, since it is smaller than the sum of its proper divisors (130001258556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69807727044 is a wasteful number, since it uses less digits than its factorization.
69807727044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23591 (or 23572 counting only the distinct ones).
The product of its (nonzero) digits is 4741632, while the sum is 54.
The spelling of 69807727044 in words is "sixty-nine billion, eight hundred seven million, seven hundred twenty-seven thousand, forty-four".
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