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1110021131 = 3976194517
BaseRepresentation
bin100001000101001…
…1001010000001011
32212100200220201202
41002022121100023
54233131134011
6302051334415
736336011132
oct10212312013
92770626652
101110021131
1151a63a33a
1226b8b140b
13148c7c04b
14a75ca919
15676b523b
hex4229940b

1110021131 has 8 divisors (see below), whose sum is σ = 1114861680. Its totient is φ = 1105191648.

The previous prime is 1110021119. The next prime is 1110021151. The reversal of 1110021131 is 1311200111.

It is a happy number.

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 1110021131 - 26 = 1110021067 is a prime.

It is a super-2 number, since 2×11100211312 = 2464293822533038322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110021151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243485 + ... + 248001.

It is an arithmetic number, because the mean of its divisors is an integer number (139357710).

Almost surely, 21110021131 is an apocalyptic number.

1110021131 is a deficient number, since it is larger than the sum of its proper divisors (4840549).

1110021131 is an equidigital number, since it uses as much as digits as its factorization.

1110021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1110021131 is about 33316.9796200076. The cubic root of 1110021131 is about 1035.4053756806.

Adding to 1110021131 its reverse (1311200111), we get a palindrome (2421221242).

The spelling of 1110021131 in words is "one billion, one hundred ten million, twenty-one thousand, one hundred thirty-one".

Divisors: 1 397 619 4517 245743 1793249 2796023 1110021131