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1121920093 = 7443361793
BaseRepresentation
bin100001011011111…
…0010010001011101
32220012002110001001
41002313302101131
54244202420333
6303154350301
736542110030
oct10267622135
92805073031
101121920093
11526327198
1227388b391
1314b587058
14a9007017
1568765b7d
hex42df245d

1121920093 has 8 divisors (see below), whose sum is σ = 1285092288. Its totient is φ = 959472384.

The previous prime is 1121920087. The next prime is 1121920097. The reversal of 1121920093 is 3900291211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121920093 - 221 = 1119822941 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 (1121920097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177796 + ... + 183997.

It is an arithmetic number, because the mean of its divisors is an integer number (160636536).

Almost surely, 21121920093 is an apocalyptic number.

It is an amenable number.

1121920093 is a deficient number, since it is larger than the sum of its proper divisors (163172195).

1121920093 is an equidigital number, since it uses as much as digits as its factorization.

1121920093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362243.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1121920093 is about 33495.0756529971. The cubic root of 1121920093 is about 1039.0919381999.

The spelling of 1121920093 in words is "one billion, one hundred twenty-one million, nine hundred twenty thousand, ninety-three".

Divisors: 1 7 443 3101 361793 2532551 160274299 1121920093