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1120400093 = 7115780283
BaseRepresentation
bin100001011000111…
…1111001011011101
32220002020012222202
41002301333023131
54243310300333
6303102021245
736523146401
oct10261771335
92802205882
101120400093
1152548919a
12273277825
1314b174247
14a8b2d101
15685655e8
hex42c7f2dd

1120400093 has 4 divisors (see below), whose sum is σ = 1136180448. Its totient is φ = 1104619740.

The previous prime is 1120400087. The next prime is 1120400167. The reversal of 1120400093 is 3900040211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3900040211 = 5717682183.

It is a cyclic number.

It is not a de Polignac number, because 1120400093 - 216 = 1120334557 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 (1120400023) 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, 7890071 + ... + 7890212.

It is an arithmetic number, because the mean of its divisors is an integer number (284045112).

Almost surely, 21120400093 is an apocalyptic number.

It is an amenable number.

1120400093 is a deficient number, since it is larger than the sum of its proper divisors (15780355).

1120400093 is an equidigital number, since it uses as much as digits as its factorization.

1120400093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15780354.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1120400093 is about 33472.3780601259. The cubic root of 1120400093 is about 1038.6224652045.

The spelling of 1120400093 in words is "one billion, one hundred twenty million, four hundred thousand, ninety-three".

Divisors: 1 71 15780283 1120400093