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9990466197020 = 2252989193538671
BaseRepresentation
bin1001000101100001011000…
…1100000101011000011100
31022101002010202200212210022
42101120112030011120130
52302140433321301040
633125320134331312
72050534031351321
oct221302614053034
938332122625708
109990466197020
113201a29798801
121154276ab9b38
13576134c1919a
14267780c82b48
15124d1ce726b5
hex9161630561c

9990466197020 has 48 divisors (see below), whose sum is σ = 21947285404800. Its totient is φ = 3815034263040.

The previous prime is 9990466197007. The next prime is 9990466197073. The reversal of 9990466197020 is 207916640999.

It is a super-2 number, since 2×99904661970202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96717716 + ... + 96820955.

It is an arithmetic number, because the mean of its divisors is an integer number (457235112600).

Almost surely, 29990466197020 is an apocalyptic number.

It is an amenable number.

9990466197020 is an abundant number, since it is smaller than the sum of its proper divisors (11956819207780).

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

9990466197020 is a wasteful number, since it uses less digits than its factorization.

9990466197020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193538798 (or 193538796 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 62.

The spelling of 9990466197020 in words is "nine trillion, nine hundred ninety billion, four hundred sixty-six million, one hundred ninety-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 89 116 145 178 290 356 445 580 890 1780 2581 5162 10324 12905 25810 51620 193538671 387077342 774154684 967693355 1935386710 3870773420 5612621459 11225242918 17224941719 22450485836 28063107295 34449883438 56126214590 68899766876 86124708595 112252429180 172249417190 344498834380 499523309851 999046619702 1998093239404 2497616549255 4995233098510 9990466197020