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2857886980140 = 223547631449669
BaseRepresentation
bin101001100101100111010…
…101101001100000101100
3101010012201001112212101010
4221211213111221200230
5333310423031331030
610024521204145220
7413322050343033
oct51454725514054
911105631485333
102857886980140
11a02028771535
123a1a64698210
13179661271aca
149c472bcd71a
154e5182876b0
hex2996756982c

2857886980140 has 24 divisors (see below), whose sum is σ = 8002083544560. Its totient is φ = 762103194688.

The previous prime is 2857886980139. The next prime is 2857886980159. The reversal of 2857886980140 is 410896887582.

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, 23815724775 + ... + 23815724894.

It is an arithmetic number, because the mean of its divisors is an integer number (333420147690).

Almost surely, 22857886980140 is an apocalyptic number.

2857886980140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2857886980140 is an abundant number, since it is smaller than the sum of its proper divisors (5144196564420).

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

2857886980140 is a wasteful number, since it uses less digits than its factorization.

2857886980140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47631449681 (or 47631449679 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 66.

The spelling of 2857886980140 in words is "two trillion, eight hundred fifty-seven billion, eight hundred eighty-six million, nine hundred eighty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 47631449669 95262899338 142894349007 190525798676 238157248345 285788698014 476314496690 571577396028 714471745035 952628993380 1428943490070 2857886980140