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12954964320 = 2532543209221
BaseRepresentation
bin11000001000010110…
…10001000101100000
31020102212001101010100
430010023101011200
5203012432324240
65541301502400
7636015244164
oct140413210540
936385041110
1012954964320
115548815491
122616711a00
1312b5c6407c
148ac7a4ca4
1550c507e30
hex3042d1160

12954964320 has 144 divisors (see below), whose sum is σ = 45237143952. Its totient is φ = 3374300160.

The previous prime is 12954964261. The next prime is 12954964349. The reversal of 12954964320 is 2346945921.

12954964320 is a `hidden beast` number, since 1 + 29 + 549 + 64 + 3 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×129549643202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42691 + ... + 166530.

It is an arithmetic number, because the mean of its divisors is an integer number (314146833).

Almost surely, 212954964320 is an apocalyptic number.

12954964320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12954964320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22618571976).

12954964320 is an abundant number, since it is smaller than the sum of its proper divisors (32282179632).

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

12954964320 is a wasteful number, since it uses less digits than its factorization.

12954964320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209285 (or 209274 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 12954964320 in words is "twelve billion, nine hundred fifty-four million, nine hundred sixty-four thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 43 45 48 60 72 80 86 90 96 120 129 144 160 172 180 215 240 258 288 344 360 387 430 480 516 645 688 720 774 860 1032 1290 1376 1440 1548 1720 1935 2064 2580 3096 3440 3870 4128 5160 6192 6880 7740 10320 12384 15480 20640 30960 61920 209221 418442 627663 836884 1046105 1255326 1673768 1882989 2092210 2510652 3138315 3347536 3765978 4184420 5021304 6276630 6695072 7531956 8368840 8996503 9414945 10042608 12553260 15063912 16737680 17993006 18829890 20085216 25106520 26989509 30127824 33475360 35986012 37659780 44982515 50213040 53979018 60255648 71972024 75319560 80968527 89965030 100426080 107958036 134947545 143944048 150639120 161937054 179930060 215916072 269895090 287888096 301278240 323874108 359860120 404842635 431832144 539790180 647748216 719720240 809685270 863664288 1079580360 1295496432 1439440480 1619370540 2159160720 2590992864 3238741080 4318321440 6477482160 12954964320