Search a number
-
+
1013545131 = 3437856939
BaseRepresentation
bin111100011010010…
…111100010101011
32121122011102112120
4330122113202223
54033431421011
6244323442323
734054664034
oct7432274253
92548142476
101013545131
11480135505
122435263a3
13131ca0561
1498875a8b
155dea9a06
hex3c6978ab

1013545131 has 8 divisors (see below), whose sum is σ = 1382821440. Its totient is φ = 659982792.

The previous prime is 1013545109. The next prime is 1013545147. The reversal of 1013545131 is 1315453101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1013545131 - 210 = 1013544107 is a prime.

It is a super-2 number, since 2×10135451312 = 2054547465147614322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1013565131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928341 + ... + 3928598.

It is an arithmetic number, because the mean of its divisors is an integer number (172852680).

Almost surely, 21013545131 is an apocalyptic number.

1013545131 is a deficient number, since it is larger than the sum of its proper divisors (369276309).

1013545131 is an equidigital number, since it uses as much as digits as its factorization.

1013545131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7856985.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1013545131 is about 31836.2235668743. The cubic root of 1013545131 is about 1004.4948100790.

Adding to 1013545131 its reverse (1315453101), we get a palindrome (2328998232).

The spelling of 1013545131 in words is "one billion, thirteen million, five hundred forty-five thousand, one hundred thirty-one".

Divisors: 1 3 43 129 7856939 23570817 337848377 1013545131