Base | Representation |
---|---|
bin | 100100001010011… |
… | …0001001111000010 |
3 | 10010120020022111112 |
4 | 1020110301033002 |
5 | 4441112412343 |
6 | 320223243322 |
7 | 42032523164 |
oct | 11024611702 |
9 | 3116208445 |
10 | 1213404098 |
11 | 572a31505 |
12 | 29a449542 |
13 | 1645085ba |
14 | b721c934 |
15 | 717d7218 |
hex | 485313c2 |
1213404098 has 8 divisors (see below), whose sum is σ = 1820444220. Its totient is φ = 606589360.
The previous prime is 1213404097. The next prime is 1213404107. The reversal of 1213404098 is 8904043121.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 988913809 + 224490289 = 31447^2 + 14983^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (1213404097) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42173 + ... + 64848.
Almost surely, 21213404098 is an apocalyptic number.
1213404098 is a deficient number, since it is larger than the sum of its proper divisors (607040122).
1213404098 is a wasteful number, since it uses less digits than its factorization.
1213404098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112692.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 1213404098 is about 34833.9503645510. The cubic root of 1213404098 is about 1066.6005888537.
The spelling of 1213404098 in words is "one billion, two hundred thirteen million, four hundred four thousand, ninety-eight".
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