Search a number
-
+
1342633787 = 11228339209
BaseRepresentation
bin101000000000110…
…1111011100111011
310110120101212022022
41100001233130323
510222203240122
6341121145055
745162125135
oct12001573473
93416355268
101342633787
11629977700
1231578b18b
13185214581
14ca45c055
157cd12642
hex5006f73b

1342633787 has 12 divisors (see below), whose sum is σ = 1481040120. Its totient is φ = 1216232160.

The previous prime is 1342633781. The next prime is 1342633801. The reversal of 1342633787 is 7873362431.

It is not a de Polignac number, because 1342633787 - 218 = 1342371643 is a prime.

It is a super-2 number, since 2×13426337872 = 3605330971987922738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342633781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14639 + ... + 53847.

It is an arithmetic number, because the mean of its divisors is an integer number (123420010).

Almost surely, 21342633787 is an apocalyptic number.

1342633787 is a deficient number, since it is larger than the sum of its proper divisors (138406333).

1342633787 is a wasteful number, since it uses less digits than its factorization.

1342633787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39514 (or 39503 counting only the distinct ones).

The product of its digits is 508032, while the sum is 44.

The square root of 1342633787 is about 36641.9675645291. The cubic root of 1342633787 is about 1103.1956074583.

The spelling of 1342633787 in words is "one billion, three hundred forty-two million, six hundred thirty-three thousand, seven hundred eighty-seven".

Divisors: 1 11 121 283 3113 34243 39209 431299 4744289 11096147 122057617 1342633787