Base | Representation |
---|---|
bin | 1000111100101100100… |
… | …0101000100000000000 |
3 | 112200210211200100000000 |
4 | 2033023020220200000 |
5 | 10004320331040443 |
6 | 154342400000000 |
7 | 14051422350333 |
oct | 2171310504000 |
9 | 480724610000 |
10 | 153731893248 |
11 | 5a21971184a |
12 | 25964600000 |
13 | 1165c78ba0b |
14 | 762527461a |
15 | 3eeb5458d3 |
hex | 23cb228800 |
153731893248 has 432 divisors, whose sum is σ = 488906194140. Its totient is φ = 48157949952.
The previous prime is 153731893213. The next prime is 153731893267. The reversal of 153731893248 is 842398137351.
153731893248 is a `hidden beast` number, since 1 + 537 + 3 + 1 + 89 + 3 + 24 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 153187697664 + 544195584 = 391392^2 + 23328^2 .
It is a tau number, because it is divible by the number of its divisors (432).
It is a super-2 number, since 2×1537318932482 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 153731893194 and 153731893203.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 228427440 + ... + 228428112.
Almost surely, 2153731893248 is an apocalyptic number.
153731893248 is a gapful number since it is divisible by the number (18) 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 153731893248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244453097070).
153731893248 is an abundant number, since it is smaller than the sum of its proper divisors (335174300892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153731893248 is an frugal number, since it uses more digits than its factorization.
153731893248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 736 (or 695 counting only the distinct ones).
The product of its digits is 4354560, while the sum is 54.
The spelling of 153731893248 in words is "one hundred fifty-three billion, seven hundred thirty-one million, eight hundred ninety-three thousand, two hundred forty-eight".
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