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990753012 = 223334726437
BaseRepresentation
bin111011000011011…
…011000011110100
32120001021110122000
4323003123003310
54012113044022
6242151135300
733360155514
oct7303330364
92501243560
10990753012
11469288447
12237974530
1312a3502b2
1495821844
155bea66ac
hex3b0db0f4

990753012 has 48 divisors (see below), whose sum is σ = 2576118720. Its totient is φ = 329286816.

The previous prime is 990752977. The next prime is 990753019. The reversal of 990753012 is 210357099.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990753019) 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, 24258 + ... + 50694.

It is an arithmetic number, because the mean of its divisors is an integer number (53669140).

Almost surely, 2990753012 is an apocalyptic number.

It is an amenable number.

990753012 is an abundant number, since it is smaller than the sum of its proper divisors (1585365708).

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

990753012 is a wasteful number, since it uses less digits than its factorization.

990753012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26797 (or 26789 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 990753012 is about 31476.2293167400. The cubic root of 990753012 is about 996.9081208022.

The spelling of 990753012 in words is "nine hundred ninety million, seven hundred fifty-three thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 347 694 1041 1388 2082 3123 4164 6246 9369 12492 18738 26437 37476 52874 79311 105748 158622 237933 317244 475866 713799 951732 1427598 2855196 9173639 18347278 27520917 36694556 55041834 82562751 110083668 165125502 247688253 330251004 495376506 990753012