Search a number
-
+
1142240031313 = 31293128398017
BaseRepresentation
bin10000100111110010110…
…011111011001001010001
311001012022200010200111221
4100213302303323021101
5122203301422000223
62232423212005041
7145344526032613
oct20476263731121
94035280120457
101142240031313
1140046a7a0787
12165459a60781
1383935c67044
143d3db372db3
151eaa3e60b5d
hex109f2cfb251

1142240031313 has 16 divisors (see below), whose sum is σ = 1184044893696. Its totient is φ = 1100751045120.

The previous prime is 1142240031307. The next prime is 1142240031367. The reversal of 1142240031313 is 3131300422411.

It is a cyclic number.

It is not a de Polignac number, because 1142240031313 - 221 = 1142237934161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142240031113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11604481 + ... + 11702497.

It is an arithmetic number, because the mean of its divisors is an integer number (74002805856).

Almost surely, 21142240031313 is an apocalyptic number.

It is an amenable number.

1142240031313 is a deficient number, since it is larger than the sum of its proper divisors (41804862383).

1142240031313 is a wasteful number, since it uses less digits than its factorization.

1142240031313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99624.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1142240031313 its reverse (3131300422411), we get a palindrome (4273540453724).

The spelling of 1142240031313 in words is "one trillion, one hundred forty-two billion, two hundred forty million, thirty-one thousand, three hundred thirteen".

Divisors: 1 31 293 1283 9083 39773 98017 375919 3038527 11653489 28718981 125755811 890288411 3898430141 36846452623 1142240031313