Search a number
-
+
1332123312020 = 225157424243093
BaseRepresentation
bin10011011000101000101…
…111001001111110010100
311201100102222000210010012
4103120220233021332110
5133311142031441040
62455545145415352
7165146154216314
oct23305057117624
94640388023105
101332123312020
11473a4a976a46
1219621149a558
1398807350187
14486919cb444
15249b916d865
hex13628bc9f94

1332123312020 has 24 divisors (see below), whose sum is σ = 2815277171784. Its totient is φ = 529455378816.

The previous prime is 1332123311963. The next prime is 1332123312029. The reversal of 1332123312020 is 202133212331.

It can be written as a sum of positive squares in 4 ways, for example, as 30411174544 + 1301712137476 = 174388^2 + 1140926^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332123312029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212118407 + ... + 212124686.

It is an arithmetic number, because the mean of its divisors is an integer number (117303215491).

Almost surely, 21332123312020 is an apocalyptic number.

1332123312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332123312020 is an abundant number, since it is smaller than the sum of its proper divisors (1483153859764).

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

1332123312020 is a wasteful number, since it uses less digits than its factorization.

1332123312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424243259 (or 424243257 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1332123312020 its reverse (202133212331), we get a palindrome (1534256524351).

The spelling of 1332123312020 in words is "one trillion, three hundred thirty-two billion, one hundred twenty-three million, three hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 157 314 628 785 1570 3140 424243093 848486186 1696972372 2121215465 4242430930 8484861860 66606165601 133212331202 266424662404 333030828005 666061656010 1332123312020