Base | Representation |
---|---|
bin | 111111011110110… |
… | …1011110011010000 |
3 | 12111110011021001200 |
4 | 1332331223303100 |
5 | 13330301140113 |
6 | 551211231200 |
7 | 103533355233 |
oct | 17675536320 |
9 | 5443137050 |
10 | 2130099408 |
11 | 9a3427238 |
12 | 4b5448500 |
13 | 27c3c9168 |
14 | 162c8341a |
15 | c7010873 |
hex | 7ef6bcd0 |
2130099408 has 120 divisors (see below), whose sum is σ = 6110073216. Its totient is φ = 692428800.
The previous prime is 2130099407. The next prime is 2130099457. The reversal of 2130099408 is 8049900312.
It is a Cunningham number, because it is equal to 461532-1.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130099401) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3322768 + ... + 3323408.
Almost surely, 22130099408 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2130099408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3055036608).
2130099408 is an abundant number, since it is smaller than the sum of its proper divisors (3979973808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130099408 is a wasteful number, since it uses less digits than its factorization.
2130099408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1193 (or 1184 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 2130099408 is about 46152.9999891665. Note that the first 4 decimals coincide. The cubic root of 2130099408 is about 1286.6683670531.
The spelling of 2130099408 in words is "two billion, one hundred thirty million, ninety-nine thousand, four hundred eight".
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