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1156102141 = 5639205019
BaseRepresentation
bin100010011101000…
…1011011111111101
32222120102001222211
41010322023133331
54331430232031
6310415140421
740435464115
oct10472133775
92876361884
101156102141
11543653717
12283214711
1315569470c
14ad784045
156b768bb1
hex44e8b7fd

1156102141 has 4 divisors (see below), whose sum is σ = 1156312800. Its totient is φ = 1155891484.

The previous prime is 1156102097. The next prime is 1156102223. The reversal of 1156102141 is 1412016511.

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 not a de Polignac number, because 1156102141 - 211 = 1156100093 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 (1156102741) 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, 96871 + ... + 108148.

It is an arithmetic number, because the mean of its divisors is an integer number (289078200).

Almost surely, 21156102141 is an apocalyptic number.

It is an amenable number.

1156102141 is a deficient number, since it is larger than the sum of its proper divisors (210659).

1156102141 is an equidigital number, since it uses as much as digits as its factorization.

1156102141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210658.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 1156102141 is about 34001.5020403511. The cubic root of 1156102141 is about 1049.5393719536.

Adding to 1156102141 its reverse (1412016511), we get a palindrome (2568118652).

The spelling of 1156102141 in words is "one billion, one hundred fifty-six million, one hundred two thousand, one hundred forty-one".

Divisors: 1 5639 205019 1156102141