Base | Representation |
---|---|
bin | 1001000001000100001… |
… | …1010011100001110000 |
3 | 112210211120220100011010 |
4 | 2100101003103201300 |
5 | 10014221123323434 |
6 | 155055021350520 |
7 | 14122454640225 |
oct | 2202103234160 |
9 | 483746810133 |
10 | 154904901744 |
11 | 5a77086245a |
12 | 26031408440 |
13 | 117b87c2698 |
14 | 76d6d7994c |
15 | 40694ed9e9 |
hex | 24110d3870 |
154904901744 has 160 divisors (see below), whose sum is σ = 433552965120. Its totient is φ = 47511991296.
The previous prime is 154904901733. The next prime is 154904901757. The reversal of 154904901744 is 447109409451.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 154904901693 and 154904901702.
It is a congruent number.
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, 8859699 + ... + 8877165.
It is an arithmetic number, because the mean of its divisors is an integer number (2709706032).
Almost surely, 2154904901744 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 154904901744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216776482560).
154904901744 is an abundant number, since it is smaller than the sum of its proper divisors (278648063376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154904901744 is a wasteful number, since it uses less digits than its factorization.
154904901744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17807 (or 17801 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 48.
The spelling of 154904901744 in words is "one hundred fifty-four billion, nine hundred four million, nine hundred one thousand, seven hundred forty-four".
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