Base | Representation |
---|---|
bin | 100000011000011101… |
… | …1110101101000011000 |
3 | 20122111101122212020000 |
4 | 1000300323311220120 |
5 | 2114404330004042 |
6 | 51540233333000 |
7 | 5011164143631 |
oct | 1006073655030 |
9 | 218441585200 |
10 | 69540469272 |
11 | 2754586690a |
12 | 11588b67160 |
13 | 6733191891 |
14 | 3519996888 |
15 | 1c200dd74c |
hex | 1030ef5a18 |
69540469272 has 80 divisors (see below), whose sum is σ = 203246342640. Its totient is φ = 22172318784.
The previous prime is 69540469253. The next prime is 69540469283. The reversal of 69540469272 is 27296404596.
69540469272 is a `hidden beast` number, since 6 + 9 + 540 + 4 + 6 + 92 + 7 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2318043 + ... + 2347850.
It is an arithmetic number, because the mean of its divisors is an integer number (2540579283).
Almost surely, 269540469272 is an apocalyptic number.
It is an amenable number.
69540469272 is an abundant number, since it is smaller than the sum of its proper divisors (133705873368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69540469272 is a wasteful number, since it uses less digits than its factorization.
69540469272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4665934 (or 4665921 counting only the distinct ones).
The product of its (nonzero) digits is 6531840, while the sum is 54.
The spelling of 69540469272 in words is "sixty-nine billion, five hundred forty million, four hundred sixty-nine thousand, two hundred seventy-two".
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