Search a number
-
+
12022101522 = 232667894529
BaseRepresentation
bin10110011001001001…
…01011011000010010
31011000211201000221100
423030210223120102
5144110124222042
65304535205230
7603630114444
oct131444533022
934024630840
1012022101522
11510a1878a2
1223b6216816
131197902652
14820932494
154a568924c
hex2cc92b612

12022101522 has 12 divisors (see below), whose sum is σ = 26047886670. Its totient is φ = 4007367168.

The previous prime is 12022101493. The next prime is 12022101529. The reversal of 12022101522 is 22510122021.

12022101522 is a `hidden beast` number, since 1 + 20 + 22 + 101 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8412374961 + 3609726561 = 91719^2 + 60081^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 667894529 = 12022101522 / (1 + 2 + 0 + 2 + 2 + 1 + 0 + 1 + 5 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 12022101495 and 12022101504.

It is not an unprimeable number, because it can be changed into a prime (12022101529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333947247 + ... + 333947282.

Almost surely, 212022101522 is an apocalyptic number.

12022101522 is an abundant number, since it is smaller than the sum of its proper divisors (14025785148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12022101522 is a wasteful number, since it uses less digits than its factorization.

12022101522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667894537 (or 667894534 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 12022101522 its reverse (22510122021), we get a palindrome (34532223543).

The spelling of 12022101522 in words is "twelve billion, twenty-two million, one hundred one thousand, five hundred twenty-two".

Divisors: 1 2 3 6 9 18 667894529 1335789058 2003683587 4007367174 6011050761 12022101522