Base | Representation |
---|---|
bin | 101111110100100010… |
… | …0011000111000100000 |
3 | 100211001221210121011000 |
4 | 1133221010120320200 |
5 | 3140304242132012 |
6 | 115102135152000 |
7 | 10263602521260 |
oct | 1375104307040 |
9 | 324057717130 |
10 | 102694489632 |
11 | 3a6093a9039 |
12 | 17aa0215600 |
13 | 98b7b16cc7 |
14 | 4d82c5b7a0 |
15 | 2a10a81ddc |
hex | 17e9118e20 |
102694489632 has 288 divisors, whose sum is σ = 353733609600. Its totient is φ = 28393182720.
The previous prime is 102694489631. The next prime is 102694489633. The reversal of 102694489632 is 236984496201.
102694489632 is a `hidden beast` number, since 10 + 2 + 6 + 94 + 489 + 63 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (102694489631) and next prime (102694489633).
It is a tau number, because it is divible by the number of its divisors (288).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (102694489631) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5803294 + ... + 5820962.
It is an arithmetic number, because the mean of its divisors is an integer number (1228241700).
Almost surely, 2102694489632 is an apocalyptic number.
102694489632 is a gapful number since it is divisible by the number (12) 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 102694489632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176866804800).
102694489632 is an abundant number, since it is smaller than the sum of its proper divisors (251039119968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102694489632 is a wasteful number, since it uses less digits than its factorization.
102694489632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17757 (or 17712 counting only the distinct ones).
The product of its (nonzero) digits is 4478976, while the sum is 54.
The spelling of 102694489632 in words is "one hundred two billion, six hundred ninety-four million, four hundred eighty-nine thousand, six hundred thirty-two".
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