Base | Representation |
---|---|
bin | 100000010101001110… |
… | …0100010111100001000 |
3 | 20122012210210212201002 |
4 | 1000222130202330020 |
5 | 2114143442243302 |
6 | 51521344114132 |
7 | 5005402613255 |
oct | 1005234427410 |
9 | 218183725632 |
10 | 69431602952 |
11 | 2749a369a48 |
12 | 11558605948 |
13 | 671676553a |
14 | 350933842c |
15 | 1c15786c02 |
hex | 102a722f08 |
69431602952 has 16 divisors (see below), whose sum is σ = 130332037500. Its totient is φ = 34676392960.
The previous prime is 69431602931. The next prime is 69431602969. The reversal of 69431602952 is 25920613496.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 64610522596 + 4821080356 = 254186^2 + 69434^2 .
It is a super-2 number, since 2×694316029522 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 69431602897 and 69431602906.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4918577 + ... + 4932672.
Almost surely, 269431602952 is an apocalyptic number.
It is an amenable number.
69431602952 is a deficient number, since it is larger than the sum of its proper divisors (60900434548).
69431602952 is a wasteful number, since it uses less digits than its factorization.
69431602952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9852136 (or 9852132 counting only the distinct ones).
The product of its (nonzero) digits is 699840, while the sum is 47.
The spelling of 69431602952 in words is "sixty-nine billion, four hundred thirty-one million, six hundred two thousand, nine hundred fifty-two".
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