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1240131022 = 213132136107
BaseRepresentation
bin100100111101010…
…1110010111001110
310012102112011221121
41021322232113032
510014433143042
6323020151154
742505640224
oct11172562716
93172464847
101240131022
11587026879
122a73984ba
13169c05850
14ba9b8b14
1573d16367
hex49eae5ce

1240131022 has 16 divisors (see below), whose sum is σ = 2004860592. Its totient is φ = 571919040.

The previous prime is 1240131017. The next prime is 1240131077. The reversal of 1240131022 is 2201310421.

It is a junction number, because it is equal to n+sod(n) for n = 1240130987 and 1240131005.

It is a congruent number.

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, 16293 + ... + 52399.

It is an arithmetic number, because the mean of its divisors is an integer number (125303787).

Almost surely, 21240131022 is an apocalyptic number.

1240131022 is a deficient number, since it is larger than the sum of its proper divisors (764729570).

1240131022 is a wasteful number, since it uses less digits than its factorization.

1240131022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37443.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1240131022 is about 35215.4940615633. The cubic root of 1240131022 is about 1074.3749088476.

Adding to 1240131022 its reverse (2201310421), we get a palindrome (3441441443).

The spelling of 1240131022 in words is "one billion, two hundred forty million, one hundred thirty-one thousand, twenty-two".

Divisors: 1 2 13 26 1321 2642 17173 34346 36107 72214 469391 938782 47697347 95394694 620065511 1240131022