Base | Representation |
---|---|
bin | 101111001000101011… |
… | …1111110101010010100 |
3 | 100200021102100212111020 |
4 | 1132101113332222110 |
5 | 3124301121330400 |
6 | 114300141041140 |
7 | 10212256155006 |
oct | 1362127765224 |
9 | 320242325436 |
10 | 101223230100 |
11 | 39a23968a73 |
12 | 1774b5561b0 |
13 | 9712078635 |
14 | 4c836ba376 |
15 | 29768132a0 |
hex | 17915fea94 |
101223230100 has 72 divisors (see below), whose sum is σ = 293037806880. Its totient is φ = 26977630080.
The previous prime is 101223230077. The next prime is 101223230107. The reversal of 101223230100 is 1032322101.
It is a super-2 number, since 2×1012232301002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 101223230100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101223230107) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 442399 + ... + 631001.
It is an arithmetic number, because the mean of its divisors is an integer number (4069969540).
Almost surely, 2101223230100 is an apocalyptic number.
101223230100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
101223230100 is an abundant number, since it is smaller than the sum of its proper divisors (191814576780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101223230100 is a wasteful number, since it uses less digits than its factorization.
101223230100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190409 (or 190402 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 101223230100 its reverse (1032322101), we get a palindrome (102255552201).
The spelling of 101223230100 in words is "one hundred one billion, two hundred twenty-three million, two hundred thirty thousand, one hundred".
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