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1121130983 = 7160161569
BaseRepresentation
bin100001011010011…
…0001100111100111
32220010121100120202
41002310301213213
54244002142413
6303125421115
736532312310
oct10264614747
92803540522
101121130983
11525938335
1227356a79b
1314b36bb1b
14a8c7d607
156865be58
hex42d319e7

1121130983 has 4 divisors (see below), whose sum is σ = 1281292560. Its totient is φ = 960969408.

The previous prime is 1121130919. The next prime is 1121130991. The reversal of 1121130983 is 3890311211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3890311211 = 11939325849.

It is not a de Polignac number, because 1121130983 - 26 = 1121130919 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 (1121130083) 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, 80080778 + ... + 80080791.

It is an arithmetic number, because the mean of its divisors is an integer number (320323140).

Almost surely, 21121130983 is an apocalyptic number.

1121130983 is a deficient number, since it is larger than the sum of its proper divisors (160161577).

1121130983 is an equidigital number, since it uses as much as digits as its factorization.

1121130983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160161576.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1121130983 is about 33483.2940882465. The cubic root of 1121130983 is about 1038.8482636397.

The spelling of 1121130983 in words is "one billion, one hundred twenty-one million, one hundred thirty thousand, nine hundred eighty-three".

Divisors: 1 7 160161569 1121130983