Base | Representation |
---|---|
bin | 111010011011001… |
… | …000001101100111 |
3 | 2112022101210222101 |
4 | 322123020031213 |
5 | 4001412040210 |
6 | 241132512531 |
7 | 33201322645 |
oct | 7233101547 |
9 | 2468353871 |
10 | 980190055 |
11 | 463323329 |
12 | 23431b747 |
13 | 1280c2420 |
14 | 94272195 |
15 | 5b0bba3a |
hex | 3a6c8367 |
980190055 has 16 divisors (see below), whose sum is σ = 1267850304. Its totient is φ = 723179520.
The previous prime is 980190049. The next prime is 980190059. The reversal of 980190055 is 550091089.
It is not a de Polignac number, because 980190055 - 217 = 980058983 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 980189996 and 980190023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (980190059) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72910 + ... + 85300.
It is an arithmetic number, because the mean of its divisors is an integer number (79240644).
Almost surely, 2980190055 is an apocalyptic number.
980190055 is a deficient number, since it is larger than the sum of its proper divisors (287660249).
980190055 is a wasteful number, since it uses less digits than its factorization.
980190055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13626.
The product of its (nonzero) digits is 16200, while the sum is 37.
The square root of 980190055 is about 31307.9870799769. The cubic root of 980190055 is about 993.3525949175.
It can be divided in two parts, 9801 and 90055, that added together give a square (99856 = 3162).
The spelling of 980190055 in words is "nine hundred eighty million, one hundred ninety thousand, fifty-five".
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