Base | Representation |
---|---|
bin | 100000010110111101… |
… | …1010101101101110100 |
3 | 20122100212201002212021 |
4 | 1000231323111231310 |
5 | 2114303420210100 |
6 | 51531232002524 |
7 | 5010012212206 |
oct | 1005573255564 |
9 | 218325632767 |
10 | 69490006900 |
11 | 2751a32a776 |
12 | 11574090444 |
13 | 67258a3ba2 |
14 | 3512dbc776 |
15 | 1c1a971a1a |
hex | 102ded5b74 |
69490006900 has 36 divisors (see below), whose sum is σ = 150804843532. Its totient is φ = 27793877760.
The previous prime is 69490006849. The next prime is 69490006907. The reversal of 69490006900 is 960009496.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 15031250404 + 54458756496 = 122602^2 + 233364^2 .
It is a super-2 number, since 2×694900069002 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69490006907) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2314384 + ... + 2344216.
Almost surely, 269490006900 is an apocalyptic number.
It is an amenable number.
69490006900 is an abundant number, since it is smaller than the sum of its proper divisors (81314836632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69490006900 is a wasteful number, since it uses less digits than its factorization.
69490006900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53140 (or 53133 counting only the distinct ones).
The product of its (nonzero) digits is 104976, while the sum is 43.
The spelling of 69490006900 in words is "sixty-nine billion, four hundred ninety million, six thousand, nine hundred".
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