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65000106620 = 22513124809201
BaseRepresentation
bin111100100010010011…
…101110101001111100
320012202222011112120022
4330202103232221330
52031110011402440
645505521511312
74460522535011
oct744223565174
9205688145508
1065000106620
1125625958189
12107204a2538
13618b625467
143208981708
151a566cacb5
hexf224eea7c

65000106620 has 24 divisors (see below), whose sum is σ = 137542215888. Its totient is φ = 25801568000.

The previous prime is 65000106583. The next prime is 65000106631. The reversal of 65000106620 is 2660100056.

It is a super-2 number, since 2×650001066202 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65000106620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12401981 + ... + 12407220.

It is an arithmetic number, because the mean of its divisors is an integer number (5730925662).

Almost surely, 265000106620 is an apocalyptic number.

It is an amenable number.

65000106620 is an abundant number, since it is smaller than the sum of its proper divisors (72542109268).

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

65000106620 is a wasteful number, since it uses less digits than its factorization.

65000106620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24809341 (or 24809339 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 65000106620 its reverse (2660100056), we get a palindrome (67660206676).

The spelling of 65000106620 in words is "sixty-five billion, one hundred six thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 24809201 49618402 99236804 124046005 248092010 496184020 3250005331 6500010662 13000021324 16250026655 32500053310 65000106620