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2100648480080 = 245191382005579
BaseRepresentation
bin11110100100011000011…
…010000000110101010000
321102211010210201101122112
4132210120122000311100
5233404112002330310
64245005151124452
7304524012320033
oct36443032006520
97384123641575
102100648480080
1173a975337637
1229b152b13728
13123123515027
1473959ab701a
153999910e705
hex1e918680d50

2100648480080 has 40 divisors (see below), whose sum is σ = 5141060757600. Its totient is φ = 796035212928.

The previous prime is 2100648479989. The next prime is 2100648480083. The reversal of 2100648480080 is 800848460012.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100648480083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691001270 + ... + 691004309.

It is an arithmetic number, because the mean of its divisors is an integer number (128526518940).

Almost surely, 22100648480080 is an apocalyptic number.

2100648480080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100648480080 is an abundant number, since it is smaller than the sum of its proper divisors (3040412277520).

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

2100648480080 is a wasteful number, since it uses less digits than its factorization.

2100648480080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382005611 (or 1382005605 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 41.

The spelling of 2100648480080 in words is "two trillion, one hundred billion, six hundred forty-eight million, four hundred eighty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 1382005579 2764011158 5528022316 6910027895 11056044632 13820055790 22112089264 26258106001 27640111580 52516212002 55280223160 105032424004 110560446320 131290530005 210064848008 262581060010 420129696016 525162120020 1050324240040 2100648480080