Base | Representation |
---|---|
bin | 101110101010100100… |
… | …0000110100010111011 |
3 | 100120122222101011110112 |
4 | 1131111020012202323 |
5 | 3120213340411011 |
6 | 114011552134535 |
7 | 10145233433624 |
oct | 1352510064273 |
9 | 316588334415 |
10 | 100212435131 |
11 | 39555341826 |
12 | 17508b3744b |
13 | 95b082bac3 |
14 | 4bc935ca4b |
15 | 2917bed58b |
hex | 17552068bb |
100212435131 has 8 divisors (see below), whose sum is σ = 104740098720. Its totient is φ = 95698988352.
The previous prime is 100212435109. The next prime is 100212435133. The reversal of 100212435131 is 131534212001.
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 100212435131 - 210 = 100212434107 is a prime.
It is a super-2 number, since 2×1002124351312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 100212435097 and 100212435106.
It is not an unprimeable number, because it can be changed into a prime (100212435133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3539786 + ... + 3567983.
It is an arithmetic number, because the mean of its divisors is an integer number (13092512340).
Almost surely, 2100212435131 is an apocalyptic number.
100212435131 is a deficient number, since it is larger than the sum of its proper divisors (4527663589).
100212435131 is an equidigital number, since it uses as much as digits as its factorization.
100212435131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7108405.
The product of its (nonzero) digits is 720, while the sum is 23.
Adding to 100212435131 its reverse (131534212001), we get a palindrome (231746647132).
The spelling of 100212435131 in words is "one hundred billion, two hundred twelve million, four hundred thirty-five thousand, one hundred thirty-one".
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