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1142102023 = 8912832607
BaseRepresentation
bin100010000010011…
…0001100000000111
32221121001210102221
41010010301200013
54314334231043
6305155113211
740205464336
oct10404614007
92847053387
101142102023
11536761177
1227a5a2807
1315280221a
14ab97bd1d
156a4008ed
hex44131807

1142102023 has 4 divisors (see below), whose sum is σ = 1154934720. Its totient is φ = 1129269328.

The previous prime is 1142101997. The next prime is 1142102029. The reversal of 1142102023 is 3202012411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142102023 - 25 = 1142101991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142101988 and 1142102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142102029) 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, 6416215 + ... + 6416392.

It is an arithmetic number, because the mean of its divisors is an integer number (288733680).

Almost surely, 21142102023 is an apocalyptic number.

1142102023 is a deficient number, since it is larger than the sum of its proper divisors (12832697).

1142102023 is an equidigital number, since it uses as much as digits as its factorization.

1142102023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12832696.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1142102023 is about 33794.9999704098. Note that the first 4 decimals coincide. The cubic root of 1142102023 is about 1045.2855985488.

Adding to 1142102023 its reverse (3202012411), we get a palindrome (4344114434).

The spelling of 1142102023 in words is "one billion, one hundred forty-two million, one hundred two thousand, twenty-three".

Divisors: 1 89 12832607 1142102023