Base | Representation |
---|---|
bin | 101111100000110001… |
… | …0001001011111000000 |
3 | 100202100201201002220022 |
4 | 1133001202021133000 |
5 | 3132424441432430 |
6 | 114512242433012 |
7 | 10241266623632 |
oct | 1370142113700 |
9 | 322321632808 |
10 | 102031202240 |
11 | 3a2a8a54440 |
12 | 17936062768 |
13 | 9810590066 |
14 | 4d1cb1ca52 |
15 | 29c27124e5 |
hex | 17c18897c0 |
102031202240 has 56 divisors (see below), whose sum is σ = 265049245872. Its totient is φ = 37102254080.
The previous prime is 102031202239. The next prime is 102031202297. The reversal of 102031202240 is 42202130201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14489549 + ... + 14496588.
Almost surely, 2102031202240 is an apocalyptic number.
102031202240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102031202240 is an abundant number, since it is smaller than the sum of its proper divisors (163018043632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102031202240 is a wasteful number, since it uses less digits than its factorization.
102031202240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28986165 (or 28986155 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 102031202240 its reverse (42202130201), we get a palindrome (144233332441).
The spelling of 102031202240 in words is "one hundred two billion, thirty-one million, two hundred two thousand, two hundred forty".
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