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868233141 = 33231398121
BaseRepresentation
bin110011110000000…
…010111110110101
32020111201210222000
4303300002332311
53234231430031
6222053125513
730341600646
oct6360027665
92214653860
10868233141
11406105456
12202929899
1310ab53429
148344b6cd
15513543e6
hex33c02fb5

868233141 has 16 divisors (see below), whose sum is σ = 1342197120. Its totient is φ = 553655520.

The previous prime is 868233103. The next prime is 868233143. The reversal of 868233141 is 141332868.

It is not a de Polignac number, because 868233141 - 27 = 868233013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 868233096 and 868233105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868233143) 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, 698440 + ... + 699681.

It is an arithmetic number, because the mean of its divisors is an integer number (83887320).

Almost surely, 2868233141 is an apocalyptic number.

It is an amenable number.

868233141 is a deficient number, since it is larger than the sum of its proper divisors (473963979).

868233141 is a wasteful number, since it uses less digits than its factorization.

868233141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398153 (or 1398147 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 868233141 is about 29465.7961202476. The cubic root of 868233141 is about 953.9935820936.

The spelling of 868233141 in words is "eight hundred sixty-eight million, two hundred thirty-three thousand, one hundred forty-one".

Divisors: 1 3 9 23 27 69 207 621 1398121 4194363 12583089 32156783 37749267 96470349 289411047 868233141