Base | Representation |
---|---|
bin | 1000101001111100010… |
… | …1111100000000000000 |
3 | 112012211000120011200000 |
4 | 2022133011330000000 |
5 | 4414013143200023 |
6 | 152151054400000 |
7 | 13512606221463 |
oct | 2123705740000 |
9 | 465730504600 |
10 | 148698021888 |
11 | 5807617a789 |
12 | 2499a800000 |
13 | 11039901000 |
14 | 72a88b72da |
15 | 3d0464d243 |
hex | 229f17c000 |
148698021888 has 720 divisors, whose sum is σ = 510960733920. Its totient is φ = 43061870592.
The previous prime is 148698021883. The next prime is 148698021917. The reversal of 148698021888 is 888120896841.
It is a super-2 number, since 2×1486980218882 (a number of 23 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148698021883) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8746942456 + ... + 8746942472.
It is an arithmetic number, because the mean of its divisors is an integer number (709667686).
Almost surely, 2148698021888 is an apocalyptic number.
148698021888 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 148698021888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255480366960).
148698021888 is an abundant number, since it is smaller than the sum of its proper divisors (362262712032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148698021888 is an frugal number, since it uses more digits than its factorization.
148698021888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99 (or 35 counting only the distinct ones).
The product of its (nonzero) digits is 14155776, while the sum is 63.
The spelling of 148698021888 in words is "one hundred forty-eight billion, six hundred ninety-eight million, twenty-one thousand, eight hundred eighty-eight".
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