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25830272268 = 22322321499103
BaseRepresentation
bin11000000011100110…
…101010110100001100
32110200011012210020200
4120003212222310030
5410400022203033
615511040213500
71603045456143
oct300346526414
973604183220
1025830272268
11aa55573959
12500a60a290
132588558298
14137075275a
15a12a29013
hex6039aad0c

25830272268 has 108 divisors (see below), whose sum is σ = 68721088800. Its totient is φ = 8179566912.

The previous prime is 25830272249. The next prime is 25830272287. The reversal of 25830272268 is 86227203852.

It is a happy number.

25830272268 is a `hidden beast` number, since 2 + 583 + 0 + 2 + 7 + 2 + 2 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (25830272249) and next prime (25830272287).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2833005 + ... + 2842107.

Almost surely, 225830272268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25830272268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34360544400).

25830272268 is an abundant number, since it is smaller than the sum of its proper divisors (42890816532).

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

25830272268 is a wasteful number, since it uses less digits than its factorization.

25830272268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9308 (or 9280 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 25830272268 in words is "twenty-five billion, eight hundred thirty million, two hundred seventy-two thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 149 207 276 298 414 447 529 596 828 894 1058 1341 1587 1788 2116 2682 3174 3427 4761 5364 6348 6854 9103 9522 10281 13708 18206 19044 20562 27309 30843 36412 41124 54618 61686 78821 81927 109236 123372 157642 163854 209369 236463 315284 327708 418738 472926 628107 709389 837476 945852 1256214 1356347 1418778 1884321 2512428 2712694 2837556 3768642 4069041 4815487 5425388 7537284 8138082 9630974 12207123 14446461 16276164 19261948 24414246 28892922 31195981 43339383 48828492 57785844 62391962 86678766 93587943 124783924 173357532 187175886 280763829 374351772 561527658 717507563 1123055316 1435015126 2152522689 2870030252 4305045378 6457568067 8610090756 12915136134 25830272268