Base | Representation |
---|---|
bin | 10111001110001101001110… |
… | …011000101000100111010000 |
3 | 111101121122211212002020021110 |
4 | 113032031032120220213100 |
5 | 101341304442124142430 |
6 | 1001114254015253320 |
7 | 30340513605551061 |
oct | 2716151630504720 |
9 | 441548755066243 |
10 | 102131342412240 |
11 | 2a5a6728262299 |
12 | b5558a3b1a240 |
13 | 44cac377195bb |
14 | 1b3127d16c568 |
15 | bc1a0d3cc7b0 |
hex | 5ce34e6289d0 |
102131342412240 has 160 divisors (see below), whose sum is σ = 326329804484352. Its totient is φ = 26411245056000.
The previous prime is 102131342412223. The next prime is 102131342412251. The reversal of 102131342412240 is 42214243131201.
It is a happy number.
It is a super-2 number, since 2×1021313424122402 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 102131342412198 and 102131342412207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48088621 + ... + 50167500.
Almost surely, 2102131342412240 is an apocalyptic number.
102131342412240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102131342412240 is an abundant number, since it is smaller than the sum of its proper divisors (224198462072112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102131342412240 is a wasteful number, since it uses less digits than its factorization.
102131342412240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98256269 (or 98256263 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 30.
Adding to 102131342412240 its reverse (42214243131201), we get a palindrome (144345585543441).
The spelling of 102131342412240 in words is "one hundred two trillion, one hundred thirty-one billion, three hundred forty-two million, four hundred twelve thousand, two hundred forty".
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