Base | Representation |
---|---|
bin | 1101001101101010011… |
… | …11111110111100001100 |
3 | 1121101212220111012202110 |
4 | 12212311033332330030 |
5 | 24414304140312030 |
6 | 544323114024020 |
7 | 44541564666441 |
oct | 6466517767414 |
9 | 1541786435673 |
10 | 454012432140 |
11 | 165600200073 |
12 | 73ba7a18010 |
13 | 33a75763367 |
14 | 17d8d7619c8 |
15 | bc2366c1b0 |
hex | 69b53fef0c |
454012432140 has 48 divisors (see below), whose sum is σ = 1271973759840. Its totient is φ = 120999605760.
The previous prime is 454012432121. The next prime is 454012432151. The reversal of 454012432140 is 41234210454.
It is a super-2 number, since 2×4540124321402 (a number of 24 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 = 454012432098 and 454012432107.
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, 2095135 + ... + 2301654.
It is an arithmetic number, because the mean of its divisors is an integer number (26499453330).
Almost surely, 2454012432140 is an apocalyptic number.
It is an amenable number.
454012432140 is an abundant number, since it is smaller than the sum of its proper divisors (817961327700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
454012432140 is a wasteful number, since it uses less digits than its factorization.
454012432140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4398522 (or 4398520 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 30.
Adding to 454012432140 its reverse (41234210454), we get a palindrome (495246642594).
The spelling of 454012432140 in words is "four hundred fifty-four billion, twelve million, four hundred thirty-two thousand, one hundred forty".
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