Search a number
-
+
1066542913 = 2346371431
BaseRepresentation
bin111111100100100…
…010011101000001
32202022212222211101
4333210202131001
54141013333123
6253455414401
735300315362
oct7744423501
92668788741
101066542913
114a8043527
12259224401
1313cc682a7
14a190db69
1563977aad
hex3f922741

1066542913 has 4 divisors (see below), whose sum is σ = 1112914368. Its totient is φ = 1020171460.

The previous prime is 1066542907. The next prime is 1066542943. The reversal of 1066542913 is 3192456601.

1066542913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-1066542913 is a prime.

It is a super-2 number, since 2×10665429132 = 2275027570541051138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066542943) 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, 23185693 + ... + 23185738.

It is an arithmetic number, because the mean of its divisors is an integer number (278228592).

Almost surely, 21066542913 is an apocalyptic number.

It is an amenable number.

1066542913 is a deficient number, since it is larger than the sum of its proper divisors (46371455).

1066542913 is an equidigital number, since it uses as much as digits as its factorization.

1066542913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46371454.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1066542913 is about 32657.9685987968. The cubic root of 1066542913 is about 1021.7063943290.

The spelling of 1066542913 in words is "one billion, sixty-six million, five hundred forty-two thousand, nine hundred thirteen".

Divisors: 1 23 46371431 1066542913