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1033130868 = 2237111789739
BaseRepresentation
bin111101100101000…
…101001101110100
32200000000111010020
4331211011031310
54103440141433
6250303325140
734413316230
oct7545051564
92600014106
101033130868
114901a2570
12249bb07b0
1313606a253
149b2d35c0
1560a77cb3
hex3d945374

1033130868 has 192 divisors, whose sum is σ = 3222374400. Its totient is φ = 249384960.

The previous prime is 1033130867. The next prime is 1033130873. The reversal of 1033130868 is 8680313301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033130867) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1397643 + ... + 1398381.

It is an arithmetic number, because the mean of its divisors is an integer number (16783200).

Almost surely, 21033130868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1033130868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611187200).

1033130868 is an abundant number, since it is smaller than the sum of its proper divisors (2189243532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1033130868 is a wasteful number, since it uses less digits than its factorization.

1033130868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1033130868 is about 32142.3531808111. The cubic root of 1033130868 is about 1010.9238574872.

The spelling of 1033130868 in words is "one billion, thirty-three million, one hundred thirty thousand, eight hundred sixty-eight".