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1023011113 = 3752153069
BaseRepresentation
bin111100111110011…
…110100100101001
32122021222100102111
4330332132210221
54043342323423
6245302402321
734231310455
oct7476364451
92567870374
101023011113
11485510433
122467303a1
13133c36027
1499c1b665
155ec2960d
hex3cf9e929

1023011113 has 8 divisors (see below), whose sum is σ = 1052696520. Its totient is φ = 993432960.

The previous prime is 1023011111. The next prime is 1023011147. The reversal of 1023011113 is 3111103201.

It can be written as a sum of positive squares in 4 ways, for example, as 573698304 + 449312809 = 23952^2 + 21197^2 .

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 1023011113 - 21 = 1023011111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023011093 and 1023011102.

It is not an unprimeable number, because it can be changed into a prime (1023011111) 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, 7258 + ... + 45811.

It is an arithmetic number, because the mean of its divisors is an integer number (131587065).

Almost surely, 21023011113 is an apocalyptic number.

It is an amenable number.

1023011113 is a deficient number, since it is larger than the sum of its proper divisors (29685407).

1023011113 is an equidigital number, since it uses as much as digits as its factorization.

1023011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53627.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1023011113 is about 31984.5449084398. The cubic root of 1023011113 is about 1007.6122772002.

Adding to 1023011113 its reverse (3111103201), we get a palindrome (4134114314).

The spelling of 1023011113 in words is "one billion, twenty-three million, eleven thousand, one hundred thirteen".

Divisors: 1 37 521 19277 53069 1963553 27648949 1023011113