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649007125060 = 225719243987641
BaseRepresentation
bin10010111000110111101…
…01101101001001000100
32022001012102101221202011
421130123311231021010
541113131311000220
61214052203024004
764614000353440
oct11343365551104
92261172357664
10649007125060
11230273669a48
12a594720b004
134927cab6168
14235aab9d820
1511d3748c65a
hex971bd6d244

649007125060 has 48 divisors (see below), whose sum is σ = 1639596954240. Its totient is φ = 210805320960.

The previous prime is 649007125027. The next prime is 649007125111. The reversal of 649007125060 is 60521700946.

649007125060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121991161 + ... + 121996480.

It is an arithmetic number, because the mean of its divisors is an integer number (34158269880).

Almost surely, 2649007125060 is an apocalyptic number.

It is an amenable number.

649007125060 is an abundant number, since it is smaller than the sum of its proper divisors (990589829180).

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

649007125060 is a wasteful number, since it uses less digits than its factorization.

649007125060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243987676 (or 243987674 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 649007125060 in words is "six hundred forty-nine billion, seven million, one hundred twenty-five thousand, sixty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 243987641 487975282 975950564 1219938205 1707913487 2439876410 3415826974 4635765179 4879752820 6831653948 8539567435 9271530358 17079134870 18543060716 23178825895 32450356253 34158269740 46357651790 64900712506 92715303580 129801425012 162251781265 324503562530 649007125060