Base | Representation |
---|---|
bin | 101111100000001100… |
… | …0111110010110110100 |
3 | 100202022101121120000110 |
4 | 1133000120332112310 |
5 | 3132410034121043 |
6 | 114510315343020 |
7 | 10240644602313 |
oct | 1370030762664 |
9 | 322271546013 |
10 | 102012020148 |
11 | 3a299142675 |
12 | 1792b751a70 |
13 | 9809604ccc |
14 | 4d1a36827a |
15 | 29c0bc3b33 |
hex | 17c063e5b4 |
102012020148 has 48 divisors (see below), whose sum is σ = 251273960000. Its totient is φ = 32121992448.
The previous prime is 102012020147. The next prime is 102012020153. The reversal of 102012020148 is 841020210201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102012020147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561433 + ... + 720576.
Almost surely, 2102012020148 is an apocalyptic number.
It is an amenable number.
102012020148 is an abundant number, since it is smaller than the sum of its proper divisors (149261939852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102012020148 is a wasteful number, since it uses less digits than its factorization.
102012020148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1282384 (or 1282382 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 102012020148 its reverse (841020210201), we get a palindrome (943032230349).
The spelling of 102012020148 in words is "one hundred two billion, twelve million, twenty thousand, one hundred forty-eight".
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