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8920964629650 = 2352711247367157
BaseRepresentation
bin1000000111010001001011…
…1011011000010010010010
31011120211120100211000110110
42001310102323120102102
52132130113421122100
630550122400142150
71610342551131063
oct201642273302222
934524510730413
108920964629650
11292a3a5a67637
121000b39007956
134c932185c868
1422bac40cc56a
151070c4c54250
hex81d12ed8492

8920964629650 has 96 divisors (see below), whose sum is σ = 22437730643328. Its totient is φ = 2345194969600.

The previous prime is 8920964629613. The next prime is 8920964629651. The reversal of 8920964629650 is 569264690298.

It is a happy number.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8920964629651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132803872 + ... + 132871028.

It is an arithmetic number, because the mean of its divisors is an integer number (233726360868).

Almost surely, 28920964629650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8920964629650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11218865321664).

8920964629650 is an abundant number, since it is smaller than the sum of its proper divisors (13516766013678).

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

8920964629650 is a wasteful number, since it uses less digits than its factorization.

8920964629650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79716 (or 79711 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 66.

The spelling of 8920964629650 in words is "eight trillion, nine hundred twenty billion, nine hundred sixty-four million, six hundred twenty-nine thousand, six hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 71 75 142 150 213 355 426 710 1065 1775 2130 3550 5325 10650 12473 24946 37419 62365 67157 74838 124730 134314 187095 201471 311825 335785 374190 402942 623650 671570 885583 935475 1007355 1678925 1771166 1870950 2014710 2656749 3357850 4427915 4768147 5036775 5313498 8855830 9536294 10073550 13283745 14304441 22139575 23840735 26567490 28608882 44279150 47681470 66418725 71522205 119203675 132837450 143044410 238407350 357611025 715222050 837649261 1675298522 2512947783 4188246305 5025895566 8376492610 12564738915 20941231525 25129477830 41882463050 59473097531 62823694575 118946195062 125647389150 178419292593 297365487655 356838585186 594730975310 892096462965 1486827438275 1784192925930 2973654876550 4460482314825 8920964629650