Search a number
-
+
1358774513 = 10113453213
BaseRepresentation
bin101000011111101…
…0100000011110001
310111200202220012222
41100333110003301
510240321241023
6342455130425
745446251505
oct12077240361
93450686188
101358774513
11637aa1448
1231b073a15
131886761b5
14cc660305
157e44ecc8
hex50fd40f1

1358774513 has 4 divisors (see below), whose sum is σ = 1372227828. Its totient is φ = 1345321200.

The previous prime is 1358774449. The next prime is 1358774533. The reversal of 1358774513 is 3154778531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3154778531 = 10131235431.

It can be written as a sum of positive squares in 2 ways, for example, as 583319104 + 775455409 = 24152^2 + 27847^2 .

It is a cyclic number.

It is not a de Polignac number, because 1358774513 - 26 = 1358774449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1358774533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6726506 + ... + 6726707.

It is an arithmetic number, because the mean of its divisors is an integer number (343056957).

Almost surely, 21358774513 is an apocalyptic number.

It is an amenable number.

1358774513 is a deficient number, since it is larger than the sum of its proper divisors (13453315).

1358774513 is a wasteful number, since it uses less digits than its factorization.

1358774513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13453314.

The product of its digits is 352800, while the sum is 44.

The square root of 1358774513 is about 36861.5587434932. The cubic root of 1358774513 is about 1107.5987680515.

The spelling of 1358774513 in words is "one billion, three hundred fifty-eight million, seven hundred seventy-four thousand, five hundred thirteen".

Divisors: 1 101 13453213 1358774513