Search a number
-
+
1072213513 = 7153173359
BaseRepresentation
bin111111111010001…
…010111000001001
32202201120002102121
4333322022320021
54143441313023
6254221131241
735366443630
oct7772127011
92681502377
101072213513
11500266978
1225b0b9b21
131411a2387
14a2588517
15641e7d5d
hex3fe8ae09

1072213513 has 4 divisors (see below), whose sum is σ = 1225386880. Its totient is φ = 919040148.

The previous prime is 1072213487. The next prime is 1072213547. The reversal of 1072213513 is 3153122701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1072213513 is a prime.

It is a super-2 number, since 2×10722135132 = 2299283634919602338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072213553) 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 3 ways as a sum of consecutive naturals, for example, 76586673 + ... + 76586686.

It is an arithmetic number, because the mean of its divisors is an integer number (306346720).

Almost surely, 21072213513 is an apocalyptic number.

It is an amenable number.

1072213513 is a deficient number, since it is larger than the sum of its proper divisors (153173367).

1072213513 is an equidigital number, since it uses as much as digits as its factorization.

1072213513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153173366.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1072213513 is about 32744.6715207223. The cubic root of 1072213513 is about 1023.5139323294.

The spelling of 1072213513 in words is "one billion, seventy-two million, two hundred thirteen thousand, five hundred thirteen".

Divisors: 1 7 153173359 1072213513