[go: up one dir, main page]

Search a number
-
+
1071213703 = 7153030529
BaseRepresentation
bin111111110110010…
…110110010000111
32202122200021221121
4333312112302013
54143212314303
6254143454411
735355111010
oct7766266207
92678607847
101071213703
114aa74378a
1225a8b7407
13140c12281
14a23a8007
156409b9bd
hex3fd96c87

1071213703 has 4 divisors (see below), whose sum is σ = 1224244240. Its totient is φ = 918183168.

The previous prime is 1071213697. The next prime is 1071213719. The reversal of 1071213703 is 3073121701.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-1071213703 is a prime.

It is a super-2 number, since 2×10712137032 = 2294997594989944418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071213743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76515258 + ... + 76515271.

It is an arithmetic number, because the mean of its divisors is an integer number (306061060).

Almost surely, 21071213703 is an apocalyptic number.

1071213703 is a deficient number, since it is larger than the sum of its proper divisors (153030537).

1071213703 is an equidigital number, since it uses as much as digits as its factorization.

1071213703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153030536.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 1071213703 is about 32729.4012013663. The cubic root of 1071213703 is about 1023.1957004071.

The spelling of 1071213703 in words is "one billion, seventy-one million, two hundred thirteen thousand, seven hundred three".

Divisors: 1 7 153030529 1071213703