Search a number
-
+
1022131331020 = 225311648598921
BaseRepresentation
bin11101101111110111100…
…01100101111111001100
310121201022002102112020201
432313323301211333030
5113221311110043040
62101321033423244
7133563236651002
oct16677361457714
93551262375221
101022131331020
11364535542508
1214611986ab24
13755043b1097
1437685812a72
151b8c4687a9a
hexedfbc65fcc

1022131331020 has 24 divisors (see below), whose sum is σ = 2215716951168. Its totient is φ = 395663740800.

The previous prime is 1022131330993. The next prime is 1022131331057. The reversal of 1022131331020 is 201331312201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824298841 + ... + 824300080.

It is an arithmetic number, because the mean of its divisors is an integer number (92321539632).

Almost surely, 21022131331020 is an apocalyptic number.

1022131331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022131331020 is an abundant number, since it is smaller than the sum of its proper divisors (1193585620148).

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

1022131331020 is a wasteful number, since it uses less digits than its factorization.

1022131331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648598961 (or 1648598959 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1022131331020 its reverse (201331312201), we get a palindrome (1223462643221).

The spelling of 1022131331020 in words is "one trillion, twenty-two billion, one hundred thirty-one million, three hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1648598921 3297197842 6594395684 8242994605 16485989210 32971978420 51106566551 102213133102 204426266204 255532832755 511065665510 1022131331020