Search a number
-
+
1141620727 = 1387816979
BaseRepresentation
bin100010000001011…
…1011111111110111
32221120011100020011
41010002323333313
54314223330402
6305140521051
740201421212
oct10402737767
92846140204
101141620727
11536462605
1227a3b0187
13152694130
14ab894779
156a357ed7
hex440bbff7

1141620727 has 4 divisors (see below), whose sum is σ = 1229437720. Its totient is φ = 1053803736.

The previous prime is 1141620721. The next prime is 1141620731. The reversal of 1141620727 is 7270261411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1141620727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141620721) 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, 43908477 + ... + 43908502.

It is an arithmetic number, because the mean of its divisors is an integer number (307359430).

Almost surely, 21141620727 is an apocalyptic number.

1141620727 is a deficient number, since it is larger than the sum of its proper divisors (87816993).

1141620727 is an equidigital number, since it uses as much as digits as its factorization.

1141620727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87816992.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1141620727 is about 33787.8784033564. The cubic root of 1141620727 is about 1045.1387458002.

The spelling of 1141620727 in words is "one billion, one hundred forty-one million, six hundred twenty thousand, seven hundred twenty-seven".

Divisors: 1 13 87816979 1141620727