Base | Representation |
---|---|
bin | 101110101010100011… |
… | …1010010110000110111 |
3 | 100120122221222101111222 |
4 | 1131111013102300313 |
5 | 3120213312114111 |
6 | 114011543420555 |
7 | 10145231561354 |
oct | 1352507226067 |
9 | 316587871458 |
10 | 100212223031 |
11 | 39555207438 |
12 | 17508a5475b |
13 | 95b07863bb |
14 | 4bc930562b |
15 | 2917baa7db |
hex | 17551d2c37 |
100212223031 has 8 divisors (see below), whose sum is σ = 101629075104. Its totient is φ = 98795521440.
The previous prime is 100212223009. The next prime is 100212223043. The reversal of 100212223031 is 130322212001.
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 100212223031 - 26 = 100212222967 is a prime.
It is a super-2 number, since 2×1002122230312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100212223061) 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, 2571665 + ... + 2610341.
It is an arithmetic number, because the mean of its divisors is an integer number (12703634388).
Almost surely, 2100212223031 is an apocalyptic number.
100212223031 is a deficient number, since it is larger than the sum of its proper divisors (1416852073).
100212223031 is an equidigital number, since it uses as much as digits as its factorization.
100212223031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75241.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 100212223031 its reverse (130322212001), we get a palindrome (230534435032).
The spelling of 100212223031 in words is "one hundred billion, two hundred twelve million, two hundred twenty-three thousand, thirty-one".
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