Base | Representation |
---|---|
bin | 111100111101011011… |
… | …0000011001010110100 |
3 | 110111220100021102220101 |
4 | 1321322312003022310 |
5 | 4121100430223423 |
6 | 140050023443444 |
7 | 12313033464604 |
oct | 1717266031264 |
9 | 414810242811 |
10 | 130910007988 |
11 | 50578317651 |
12 | 214555b6584 |
13 | c4635935b6 |
14 | 649c2acc04 |
15 | 3612bba7ad |
hex | 1e7ad832b4 |
130910007988 has 18 divisors (see below), whose sum is σ = 235292114918. Its totient is φ = 63683808480.
The previous prime is 130910007983. The next prime is 130910007997. The reversal of 130910007988 is 889700019031.
It can be written as a sum of positive squares in 3 ways, for example, as 100481392144 + 30428615844 = 316988^2 + 174438^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130910007983) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4386798 + ... + 4416538.
Almost surely, 2130910007988 is an apocalyptic number.
It is an amenable number.
130910007988 is a deficient number, since it is larger than the sum of its proper divisors (104382106930).
130910007988 is an frugal number, since it uses more digits than its factorization.
130910007988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59523 (or 29780 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 46.
The spelling of 130910007988 in words is "one hundred thirty billion, nine hundred ten million, seven thousand, nine hundred eighty-eight".
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