Base | Representation |
---|---|
bin | 101111111100100000… |
… | …0011111010100000100 |
3 | 100211202120222121010100 |
4 | 1133321000133110010 |
5 | 3141331221342402 |
6 | 115144450524100 |
7 | 10303330506534 |
oct | 1377100372404 |
9 | 324676877110 |
10 | 102961902852 |
11 | 3a7363455a6 |
12 | 17b55896630 |
13 | 992b345593 |
14 | 4daa58b4c4 |
15 | 2a292a571c |
hex | 17f901f504 |
102961902852 has 72 divisors (see below), whose sum is σ = 264402326552. Its totient is φ = 33778944000.
The previous prime is 102961902839. The next prime is 102961902859. The reversal of 102961902852 is 258209169201.
It is a happy number.
102961902852 is a `hidden beast` number, since 1 + 0 + 2 + 9 + 619 + 0 + 28 + 5 + 2 = 666.
102961902852 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1057940676 + 101903962176 = 32526^2 + 319224^2 .
It is a junction number, because it is equal to n+sod(n) for n = 102961902798 and 102961902807.
It is not an unprimeable number, because it can be changed into a prime (102961902859) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 550602 + ... + 713502.
Almost surely, 2102961902852 is an apocalyptic number.
102961902852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102961902852 is an abundant number, since it is smaller than the sum of its proper divisors (161440423700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102961902852 is a wasteful number, since it uses less digits than its factorization.
102961902852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163189 (or 163184 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 45.
The spelling of 102961902852 in words is "one hundred two billion, nine hundred sixty-one million, nine hundred two thousand, eight hundred fifty-two".
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