Base | Representation |
---|---|
bin | 101111100000011100… |
… | …0010011000010011010 |
3 | 100202022222001201122000 |
4 | 1133000320103002122 |
5 | 3132414134400242 |
6 | 114511211341430 |
7 | 10241104441512 |
oct | 1370070230232 |
9 | 322288051560 |
10 | 102020231322 |
11 | 3a2a2840869 |
12 | 17932451876 |
13 | 980b21b5a9 |
14 | 4d1b4a4842 |
15 | 29c1796a4c |
hex | 17c0e1309a |
102020231322 has 32 divisors (see below), whose sum is σ = 226999790400. Its totient is φ = 33963519024.
The previous prime is 102020231213. The next prime is 102020231329. The reversal of 102020231322 is 223132020201.
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 = 102020231295 and 102020231304.
It is not an unprimeable number, because it can be changed into a prime (102020231329) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157797 + ... + 1242792.
It is an arithmetic number, because the mean of its divisors is an integer number (7093743450).
Almost surely, 2102020231322 is an apocalyptic number.
102020231322 is an abundant number, since it is smaller than the sum of its proper divisors (124979559078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102020231322 is a wasteful number, since it uses less digits than its factorization.
102020231322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2401387 (or 2401381 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 102020231322 its reverse (223132020201), we get a palindrome (325152251523).
The spelling of 102020231322 in words is "one hundred two billion, twenty million, two hundred thirty-one thousand, three hundred twenty-two".
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