Base | Representation |
---|---|
bin | 101111001000010110… |
… | …1100100100010000110 |
3 | 100200020122110001201220 |
4 | 1132100231210202012 |
5 | 3124240300104110 |
6 | 114255102501210 |
7 | 10212062523510 |
oct | 1362055444206 |
9 | 320218401656 |
10 | 101212113030 |
11 | 39a18665606 |
12 | 17747894806 |
13 | 970c9854a2 |
14 | 4c82024bb0 |
15 | 2975869370 |
hex | 1790b64886 |
101212113030 has 64 divisors (see below), whose sum is σ = 282848329728. Its totient is φ = 22697700480.
The previous prime is 101212113007. The next prime is 101212113031. The reversal of 101212113030 is 30311212101.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101212113031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4535686 + ... + 4557945.
It is an arithmetic number, because the mean of its divisors is an integer number (4419505152).
Almost surely, 2101212113030 is an apocalyptic number.
101212113030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
101212113030 is an abundant number, since it is smaller than the sum of its proper divisors (181636216698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101212113030 is a wasteful number, since it uses less digits than its factorization.
101212113030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9093701.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 101212113030 its reverse (30311212101), we get a palindrome (131523325131).
The spelling of 101212113030 in words is "one hundred one billion, two hundred twelve million, one hundred thirteen thousand, thirty".
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