Base | Representation |
---|---|
bin | 100000010100101001… |
… | …1001111100110110100 |
3 | 20122011110122121201111 |
4 | 1000221103033212310 |
5 | 2114124032343002 |
6 | 51515420204404 |
7 | 5005050361645 |
oct | 1005123174664 |
9 | 218143577644 |
10 | 69412387252 |
11 | 2748a5349aa |
12 | 11552099704 |
13 | 67127980c0 |
14 | 35069756cc |
15 | 1c13c3d3d7 |
hex | 10294cf9b4 |
69412387252 has 96 divisors (see below), whose sum is σ = 137333750400. Its totient is φ = 30487242240.
The previous prime is 69412387229. The next prime is 69412387283. The reversal of 69412387252 is 25278321496.
It is a happy number.
It is a super-2 number, since 2×694123872522 (a number of 22 digits) contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 69412387196 and 69412387205.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17655727 + ... + 17659657.
It is an arithmetic number, because the mean of its divisors is an integer number (1430559900).
Almost surely, 269412387252 is an apocalyptic number.
It is an amenable number.
69412387252 is a deficient number, since it is larger than the sum of its proper divisors (67921363148).
69412387252 is a wasteful number, since it uses less digits than its factorization.
69412387252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4193 (or 4191 counting only the distinct ones).
The product of its digits is 1451520, while the sum is 49.
The spelling of 69412387252 in words is "sixty-nine billion, four hundred twelve million, three hundred eighty-seven thousand, two hundred fifty-two".
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