Base | Representation |
---|---|
bin | 10100000110000110011010… |
… | …010100001010111100101100 |
3 | 102120221001120021211110221010 |
4 | 110012012122110022330230 |
5 | 43041010002020410110 |
6 | 511545134403505220 |
7 | 24421153015431033 |
oct | 2406063224127454 |
9 | 376831507743833 |
10 | 88380131028780 |
11 | 2618489199a5a8 |
12 | 9ab47b3088210 |
13 | 3a412978a58b6 |
14 | 17b789a69b71a |
15 | a33e83cb0020 |
hex | 50619a50af2c |
88380131028780 has 48 divisors (see below), whose sum is σ = 260488807246080. Its totient is φ = 22327612049088.
The previous prime is 88380131028757. The next prime is 88380131028793. The reversal of 88380131028780 is 8782013108388.
It is a super-2 number, since 2×883801310287802 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is a self number, because there is not a number n which added to its sum of digits gives 88380131028780.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38763214224 + ... + 38763216503.
It is an arithmetic number, because the mean of its divisors is an integer number (5426850150960).
Almost surely, 288380131028780 is an apocalyptic number.
It is an amenable number.
88380131028780 is an abundant number, since it is smaller than the sum of its proper divisors (172108676217300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88380131028780 is a wasteful number, since it uses less digits than its factorization.
88380131028780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77526430758 (or 77526430756 counting only the distinct ones).
The product of its (nonzero) digits is 4128768, while the sum is 57.
The spelling of 88380131028780 in words is "eighty-eight trillion, three hundred eighty billion, one hundred thirty-one million, twenty-eight thousand, seven hundred eighty".
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