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1133023143 = 37192839657
BaseRepresentation
bin100001110001000…
…1000111110100111
32220221222112120010
41003202020332213
54310023220033
6304232341303
740035352320
oct10342107647
92827875503
101133023143
1153162006a
12277544833
131509739c5
14aa697447
156970a863
hex43888fa7

1133023143 has 16 divisors (see below), whose sum is σ = 1817381120. Its totient is φ = 613365696.

The previous prime is 1133023141. The next prime is 1133023163. The reversal of 1133023143 is 3413203311.

It is not a de Polignac number, because 1133023143 - 21 = 1133023141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133023141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419430 + ... + 1420227.

It is an arithmetic number, because the mean of its divisors is an integer number (113586320).

Almost surely, 21133023143 is an apocalyptic number.

1133023143 is a deficient number, since it is larger than the sum of its proper divisors (684357977).

1133023143 is a wasteful number, since it uses less digits than its factorization.

1133023143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839686.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1133023143 is about 33660.4091329859. The cubic root of 1133023143 is about 1042.5084734976.

Adding to 1133023143 its reverse (3413203311), we get a palindrome (4546226454).

The spelling of 1133023143 in words is "one billion, one hundred thirty-three million, twenty-three thousand, one hundred forty-three".

Divisors: 1 3 7 19 21 57 133 399 2839657 8518971 19877599 53953483 59632797 161860449 377674381 1133023143