Base | Representation |
---|---|
bin | 101110101110000100… |
… | …1110101110100011100 |
3 | 100120222012012220202202 |
4 | 1131130021311310130 |
5 | 3120434031101140 |
6 | 114031403111032 |
7 | 10151164513604 |
oct | 1353411656434 |
9 | 316865186682 |
10 | 100330331420 |
11 | 39605946a80 |
12 | 17540512478 |
13 | 95cc09a317 |
14 | 4bdac8bc04 |
15 | 292323a915 |
hex | 175c275d1c |
100330331420 has 24 divisors (see below), whose sum is σ = 229847668848. Its totient is φ = 36483756800.
The previous prime is 100330331419. The next prime is 100330331447. The reversal of 100330331420 is 24133033001.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 100330331392 and 100330331401.
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, 228023261 + ... + 228023700.
It is an arithmetic number, because the mean of its divisors is an integer number (9576986202).
Almost surely, 2100330331420 is an apocalyptic number.
100330331420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
100330331420 is an abundant number, since it is smaller than the sum of its proper divisors (129517337428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100330331420 is a wasteful number, since it uses less digits than its factorization.
100330331420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 456046981 (or 456046979 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 100330331420 its reverse (24133033001), we get a palindrome (124463364421).
The spelling of 100330331420 in words is "one hundred billion, three hundred thirty million, three hundred thirty-one thousand, four hundred twenty".
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