Base | Representation |
---|---|
bin | 101111001000100110… |
… | …0111010111000011000 |
3 | 100200021012220120201100 |
4 | 1132101030322320120 |
5 | 3124244401043112 |
6 | 114255554551400 |
7 | 10212222421632 |
oct | 1362114727030 |
9 | 320235816640 |
10 | 101220331032 |
11 | 39a22268947 |
12 | 1774a598560 |
13 | 97115a1c02 |
14 | 4c83163a52 |
15 | 297643e2dc |
hex | 179133ae18 |
101220331032 has 48 divisors (see below), whose sum is σ = 274285594440. Its totient is φ = 33721993728.
The previous prime is 101220331031. The next prime is 101220331033. The reversal of 101220331032 is 230133022101.
101220331032 is a `hidden beast` number, since 101 + 220 + 3 + 310 + 32 = 666.
It is an interprime number because it is at equal distance from previous prime (101220331031) and next prime (101220331033).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 101220330996 and 101220331014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101220331031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242073 + ... + 510920.
Almost surely, 2101220331032 is an apocalyptic number.
101220331032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
101220331032 is an abundant number, since it is smaller than the sum of its proper divisors (173065263408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101220331032 is a wasteful number, since it uses less digits than its factorization.
101220331032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 754872 (or 754865 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 101220331032 its reverse (230133022101), we get a palindrome (331353353133).
The spelling of 101220331032 in words is "one hundred one billion, two hundred twenty million, three hundred thirty-one thousand, thirty-two".
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