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656116105060 = 2251310124985381
BaseRepresentation
bin10011000110000111001…
…00010011111101100100
32022201112212012112222201
421203003210103331210
541222211210330220
61221225433104244
765255111605603
oct11430344237544
92281485175881
10656116105060
11233291488929
12a71abb58084
1349b438580c0
1423a82da7a3a
1512101631d0a
hex98c3913f64

656116105060 has 48 divisors (see below), whose sum is σ = 1498523270832. Its totient is φ = 239859648000.

The previous prime is 656116105049. The next prime is 656116105061. The reversal of 656116105060 is 60501611656.

It can be written as a sum of positive squares in 8 ways, for example, as 83938837284 + 572177267776 = 289722^2 + 756424^2 .

It is not an unprimeable number, because it can be changed into a prime (656116105061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12466431 + ... + 12518950.

It is an arithmetic number, because the mean of its divisors is an integer number (31219234809).

Almost surely, 2656116105060 is an apocalyptic number.

It is an amenable number.

656116105060 is an abundant number, since it is smaller than the sum of its proper divisors (842407165772).

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

656116105060 is a wasteful number, since it uses less digits than its factorization.

656116105060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24985504 (or 24985502 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 656116105060 in words is "six hundred fifty-six billion, one hundred sixteen million, one hundred five thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 101 130 202 260 404 505 1010 1313 2020 2626 5252 6565 13130 26260 24985381 49970762 99941524 124926905 249853810 324809953 499707620 649619906 1299239812 1624049765 2523523481 3248099530 5047046962 6496199060 10094093924 12617617405 25235234810 32805805253 50470469620 65611610506 131223221012 164029026265 328058052530 656116105060