Base | Representation |
---|---|
bin | 101110101010010000… |
… | …1111001110010011101 |
3 | 100120122021112102012210 |
4 | 1131110201321302131 |
5 | 3120203304441110 |
6 | 114010553351033 |
7 | 10145052346242 |
oct | 1352441716235 |
9 | 316567472183 |
10 | 100202421405 |
11 | 3954a722319 |
12 | 17505708479 |
13 | 95ab733c18 |
14 | 4bc7cb35c9 |
15 | 2916dc1520 |
hex | 1754879c9d |
100202421405 has 8 divisors (see below), whose sum is σ = 160323874272. Its totient is φ = 53441291408.
The previous prime is 100202421383. The next prime is 100202421421. The reversal of 100202421405 is 504124202001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 100202421405 - 28 = 100202421149 is a prime.
It is a congruent number.
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, 3340080699 + ... + 3340080728.
It is an arithmetic number, because the mean of its divisors is an integer number (20040484284).
Almost surely, 2100202421405 is an apocalyptic number.
100202421405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
100202421405 is a deficient number, since it is larger than the sum of its proper divisors (60121452867).
100202421405 is an equidigital number, since it uses as much as digits as its factorization.
100202421405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6680161435.
The product of its (nonzero) digits is 640, while the sum is 21.
Adding to 100202421405 its reverse (504124202001), we get a palindrome (604326623406).
The spelling of 100202421405 in words is "one hundred billion, two hundred two million, four hundred twenty-one thousand, four hundred five".
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