Search a number
-
+
1313233132020 = 223521887218867
BaseRepresentation
bin10011000111000010110…
…010110101100111110100
311122112200110211012200220
4103013002302311213310
5133004000140211040
62443142503334340
7163610066305245
oct23070262654764
94575613735626
101313233132020
11466a3695a137
1219261b1513b0
1396ab6883b84
14477bcc7cccc
1524260a782d0
hex131c2cb59f4

1313233132020 has 24 divisors (see below), whose sum is σ = 3677052769824. Its totient is φ = 350195501856.

The previous prime is 1313233131989. The next prime is 1313233132021. The reversal of 1313233132020 is 202313323131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313233132021) 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, 10943609374 + ... + 10943609493.

It is an arithmetic number, because the mean of its divisors is an integer number (153210532076).

Almost surely, 21313233132020 is an apocalyptic number.

1313233132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313233132020 is an abundant number, since it is smaller than the sum of its proper divisors (2363819637804).

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

1313233132020 is a wasteful number, since it uses less digits than its factorization.

1313233132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21887218879 (or 21887218877 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1313233132020 its reverse (202313323131), we get a palindrome (1515546455151).

The spelling of 1313233132020 in words is "one trillion, three hundred thirteen billion, two hundred thirty-three million, one hundred thirty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 21887218867 43774437734 65661656601 87548875468 109436094335 131323313202 218872188670 262646626404 328308283005 437744377340 656616566010 1313233132020