Base | Representation |
---|---|
bin | 11011010111011001110… |
… | …000110000011010001100 |
3 | 20122210001001101202002002 |
4 | 123113121300300122030 |
5 | 221302333330123140 |
6 | 3555525321451432 |
7 | 252602612330666 |
oct | 33273160603214 |
9 | 6583031352062 |
10 | 1880554145420 |
11 | 6655a1875395 |
12 | 264569940b78 |
13 | 10844910c302 |
14 | 6703ad95536 |
15 | 33db69d8415 |
hex | 1b5d9c3068c |
1880554145420 has 24 divisors (see below), whose sum is σ = 3949210449744. Its totient is φ = 752212754496.
The previous prime is 1880554145363. The next prime is 1880554145489. The reversal of 1880554145420 is 245414550881.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331714 + ... + 2352566.
It is an arithmetic number, because the mean of its divisors is an integer number (164550435406).
Almost surely, 21880554145420 is an apocalyptic number.
1880554145420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1880554145420 is an abundant number, since it is smaller than the sum of its proper divisors (2068656304324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1880554145420 is a wasteful number, since it uses less digits than its factorization.
1880554145420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1112969 (or 1112967 counting only the distinct ones).
The product of its (nonzero) digits is 1024000, while the sum is 47.
The spelling of 1880554145420 in words is "one trillion, eight hundred eighty billion, five hundred fifty-four million, one hundred forty-five thousand, four hundred twenty".
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