Base | Representation |
---|---|
bin | 11001000100011010… |
… | …00011111001000000 |
3 | 1021201222000101120202 |
4 | 30202031003321000 |
5 | 210030420013130 |
6 | 10103255424332 |
7 | 654343332140 |
oct | 144215037100 |
9 | 37658011522 |
10 | 13458751040 |
11 | 5787128949 |
12 | 27373850a8 |
13 | 1366443917 |
14 | 919664920 |
15 | 53b86d145 |
hex | 322343e40 |
13458751040 has 224 divisors, whose sum is σ = 37282063104. Its totient is φ = 4532797440.
The previous prime is 13458751039. The next prime is 13458751051. The reversal of 13458751040 is 4015785431.
It is a tau number, because it is divible by the number of its divisors (224).
It is a super-2 number, since 2×134587510402 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13458750985 and 13458751003.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55845320 + ... + 55845560.
Almost surely, 213458751040 is an apocalyptic number.
13458751040 is a gapful number since it is divisible by the number (10) 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 13458751040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18641031552).
13458751040 is an abundant number, since it is smaller than the sum of its proper divisors (23823312064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13458751040 is a wasteful number, since it uses less digits than its factorization.
13458751040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 605 (or 595 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 38.
The spelling of 13458751040 in words is "thirteen billion, four hundred fifty-eight million, seven hundred fifty-one thousand, forty".
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