Base | Representation |
---|---|
bin | 1000101001101110001… |
… | …1001010000000000000 |
3 | 112012122212200211111110 |
4 | 2022123203022000000 |
5 | 4413402433310134 |
6 | 152141132243320 |
7 | 13511255010000 |
oct | 2123343120000 |
9 | 465585624443 |
10 | 148638572544 |
11 | 580456655a0 |
12 | 24982910540 |
13 | 1102a4b7897 |
14 | 72a0a40000 |
15 | 3cee3087e9 |
hex | 229b8ca000 |
148638572544 has 560 divisors, whose sum is σ = 506612164320. Its totient is φ = 38438830080.
The previous prime is 148638572543. The next prime is 148638572549. The reversal of 148638572544 is 445275836841.
Its product of digits (25804800) is a multiple of the sum of its prime divisors (252).
It is not an unprimeable number, because it can be changed into a prime (148638572543) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 649076622 + ... + 649076850.
Almost surely, 2148638572544 is an apocalyptic number.
148638572544 is a gapful number since it is divisible by the number (14) 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 148638572544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253306082160).
148638572544 is an abundant number, since it is smaller than the sum of its proper divisors (357973591776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148638572544 is an frugal number, since it uses more digits than its factorization.
148638572544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 297 (or 252 counting only the distinct ones).
The product of its digits is 25804800, while the sum is 57.
The spelling of 148638572544 in words is "one hundred forty-eight billion, six hundred thirty-eight million, five hundred seventy-two thousand, five hundred forty-four".
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