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2680321287825 = 3252971031192327
BaseRepresentation
bin100111000000001111100…
…110010010011010010001
3100111020101012101002111100
4213000033212102122101
5322403244222202300
65411153403135013
7364434601015626
oct47001746223221
910436335332440
102680321287825
11943799544795
1237356a214469
131659a3a68b0c
1493a2a42434d
1549ac4630700
hex2700f992691

2680321287825 has 72 divisors (see below), whose sum is σ = 4897339411328. Its totient is φ = 1401030743040.

The previous prime is 2680321287817. The next prime is 2680321287869. The reversal of 2680321287825 is 5287821230862.

2680321287825 is a `hidden beast` number, since 268 + 0 + 3 + 21 + 287 + 82 + 5 = 666.

It is not a de Polignac number, because 2680321287825 - 23 = 2680321287817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1651812 + ... + 2844138.

Almost surely, 22680321287825 is an apocalyptic number.

2680321287825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2680321287825 is a deficient number, since it is larger than the sum of its proper divisors (2217018123503).

2680321287825 is a wasteful number, since it uses less digits than its factorization.

2680321287825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192543 (or 1192535 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 2680321287825 in words is "two trillion, six hundred eighty billion, three hundred twenty-one million, two hundred eighty-seven thousand, eight hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 97 103 225 291 309 485 515 873 927 1455 1545 2425 2575 4365 4635 7275 7725 9991 21825 23175 29973 49955 89919 149865 249775 449595 749325 1192327 2247975 3576981 5961635 10730943 17884905 29808175 53654715 89424525 115655719 122809681 268273575 346967157 368429043 578278595 614048405 1040901471 1105287129 1734835785 1842145215 2891392975 3070242025 5204507355 5526435645 8674178925 9210726075 11912539057 26022536775 27632178225 35737617171 59562695285 107212851513 178688085855 297813476425 536064257565 893440429275 2680321287825