| Base | Representation |
|---|---|
| bin | 101111101111001000… |
| … | …0101001100001011100 |
| 3 | 100210121022120210121200 |
| 4 | 1133132100221201130 |
| 5 | 3134421331413030 |
| 6 | 115032140355500 |
| 7 | 10256241301335 |
| oct | 1373620514134 |
| 9 | 323538523550 |
| 10 | 102513154140 |
| 11 | 3a526003aa1 |
| 12 | 17a4b545b90 |
| 13 | 98893962b7 |
| 14 | 4d66b3728c |
| 15 | 29eebb2d60 |
| hex | 17de42985c |
102513154140 has 144 divisors (see below), whose sum is σ = 321202941696. Its totient is φ = 26437248000.
The previous prime is 102513154069. The next prime is 102513154147. The reversal of 102513154140 is 41451315201.
102513154140 is a `hidden beast` number, since 1 + 0 + 2 + 51 + 31 + 541 + 40 = 666.
102513154140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102513154147) 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 47 ways as a sum of consecutive naturals, for example, 9664840 + ... + 9675440.
It is an arithmetic number, because the mean of its divisors is an integer number (2230575984).
Almost surely, 2102513154140 is an apocalyptic number.
102513154140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102513154140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160601470848).
102513154140 is an abundant number, since it is smaller than the sum of its proper divisors (218689787556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102513154140 is a wasteful number, since it uses less digits than its factorization.
102513154140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12380 (or 12375 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
Adding to 102513154140 its reverse (41451315201), we get a palindrome (143964469341).
The spelling of 102513154140 in words is "one hundred two billion, five hundred thirteen million, one hundred fifty-four thousand, one hundred forty".
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