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10008902779225 = 52743723492
BaseRepresentation
bin1001000110100110000100…
…0110000100000101011001
31022102211201122101022000021
42101221201012010011121
52302441213102413400
633142005414310441
72052055640620000
oct221514106040531
938384648338007
1010008902779225
11320982a7618a9
121157961358421
13577ab272901c
1426860d677c37
1512554b81871a
hex91a61184159

10008902779225 has 135 divisors (see below), whose sum is σ = 14923336327767. Its totient is φ = 6658620474240.

The previous prime is 10008902779217. The next prime is 10008902779229. The reversal of 10008902779225 is 52297720980001.

It is a happy number.

The square root of 10008902779225 is 3163685.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 514394487369 + 9494508291856 = 717213^2 + 3081316^2 .

It is not a de Polignac number, because 10008902779225 - 23 = 10008902779217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10008902779229) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 28678804351 + ... + 28678804699.

Almost surely, 210008902779225 is an apocalyptic number.

10008902779225 is the 3163685-th square number.

10008902779225 is the 1581843-rd centered octagonal number.

It is an amenable number.

10008902779225 is a deficient number, since it is larger than the sum of its proper divisors (4914433548542).

10008902779225 is an frugal number, since it uses more digits than its factorization.

10008902779225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 10008902779225 in words is "ten trillion, eight billion, nine hundred two million, seven hundred seventy-nine thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 37 49 175 185 245 259 343 349 925 1225 1295 1369 1715 1745 1813 2401 2443 6475 6845 8575 8725 9065 9583 12005 12215 12691 12913 17101 34225 45325 47915 60025 61075 63455 64565 67081 85505 88837 90391 119707 121801 239575 317275 322825 335405 427525 444185 451955 469567 477781 598535 609005 632737 837949 852607 1677025 2220925 2259775 2347835 2388905 2992675 3045025 3163685 3286969 3344467 4189745 4263035 4429159 4506637 5968249 11739175 11944525 15818425 16434845 16722335 20948725 21315175 22145795 22533185 23411269 29841245 31004113 31546459 41777743 82174225 83611675 110728975 112665925 117056345 149206225 155020565 157732295 163878883 166745569 208888715 220825213 292444201 585281725 775102825 788661475 819394415 833727845 1044443575 1104126065 1147152181 1167218983 1462221005 1545776491 4096972075 4168639225 5520630325 5735760905 5836094915 7311105025 7728882455 8170532881 10820435437 28678804525 29180474575 38644412275 40852664405 54102177185 57193730167 204263322025 270510885925 285968650835 400356111169 1429843254175 2001780555845 10008902779225