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1020033012 = 2231912735227
BaseRepresentation
bin111100110011000…
…111011111110100
32122002101001020110
4330303013133310
54042112024022
6245114503020
734164065115
oct7463073764
92562331213
101020033012
11483866999
12245734a70
1313343263b
149968420c
155e83c00c
hex3ccc77f4

1020033012 has 48 divisors (see below), whose sum is σ = 2525143040. Its totient is φ = 319570272.

The previous prime is 1020033011. The next prime is 1020033023. The reversal of 1020033012 is 2103300201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020033011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11343 + ... + 46569.

Almost surely, 21020033012 is an apocalyptic number.

1020033012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020033012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262571520).

1020033012 is an abundant number, since it is smaller than the sum of its proper divisors (1505110028).

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

1020033012 is a wasteful number, since it uses less digits than its factorization.

1020033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35380 (or 35378 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1020033012 is about 31937.9556640684. The cubic root of 1020033012 is about 1006.6335691256.

Adding to 1020033012 its reverse (2103300201), we get a palindrome (3123333213).

The spelling of 1020033012 in words is "one billion, twenty million, thirty-three thousand, twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 127 228 254 381 508 762 1524 2413 4826 7239 9652 14478 28956 35227 70454 105681 140908 211362 422724 669313 1338626 2007939 2677252 4015878 4473829 8031756 8947658 13421487 17895316 26842974 53685948 85002751 170005502 255008253 340011004 510016506 1020033012