Base | Representation |
---|---|
bin | 10010001110011110110… |
… | …100111010011100011100 |
3 | 11102201220220000021022210 |
4 | 102032132310322130130 |
5 | 131010110014413030 |
6 | 2355220213040420 |
7 | 156330056435634 |
oct | 22163664723434 |
9 | 4381826007283 |
10 | 1252500154140 |
11 | 443200758a34 |
12 | 1828ab926110 |
13 | 9115830c081 |
14 | 4489ad096c4 |
15 | 228a8cdbbb0 |
hex | 1239ed3a71c |
1252500154140 has 48 divisors (see below), whose sum is σ = 3573170260128. Its totient is φ = 327698152704.
The previous prime is 1252500154121. The next prime is 1252500154153. The reversal of 1252500154140 is 414510052521.
It is a super-3 number, since 3×12525001541403 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
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 = 1252500154098 and 1252500154107.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196930807 + ... + 196937166.
It is an arithmetic number, because the mean of its divisors is an integer number (74441047086).
Almost surely, 21252500154140 is an apocalyptic number.
1252500154140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1252500154140 is an abundant number, since it is smaller than the sum of its proper divisors (2320670105988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1252500154140 is a wasteful number, since it uses less digits than its factorization.
1252500154140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393868038 (or 393868036 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 30.
The spelling of 1252500154140 in words is "one trillion, two hundred fifty-two billion, five hundred million, one hundred fifty-four thousand, one hundred forty".
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