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12636008100 = 22345212492
BaseRepresentation
bin10111100010010101…
…00010111010100100
31012121121212201110000
423301022202322210
5201334304224400
65445505301300
7625063203522
oct136112427244
935547781400
1012636008100
1153a4773a01
122547934830
131264b59c91
1487c299312
154de502600
hex2f12a2ea4

12636008100 has 135 divisors (see below), whose sum is σ = 40993767507. Its totient is φ = 3366904320.

The previous prime is 12636008069. The next prime is 12636008107. The reversal of 12636008100 is 180063621.

The square root of 12636008100 is 112410.

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

12636008100 is a `hidden beast` number, since 12 + 636 + 0 + 0 + 8 + 10 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 674648676 + 11961359424 = 25974^2 + 109368^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is a super-2 number, since 2×126360081002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12636008107) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 10116276 + ... + 10117524.

Almost surely, 212636008100 is an apocalyptic number.

12636008100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12636008100 is the 112410-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12636008100

12636008100 is an abundant number, since it is smaller than the sum of its proper divisors (28357759407).

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

12636008100 is an equidigital number, since it uses as much as digits as its factorization.

12636008100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 12636008100 in words is "twelve billion, six hundred thirty-six million, eight thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 90 100 108 135 150 162 180 225 270 300 324 405 450 540 675 810 900 1249 1350 1620 2025 2498 2700 3747 4050 4996 6245 7494 8100 11241 12490 14988 18735 22482 24980 31225 33723 37470 44964 56205 62450 67446 74940 93675 101169 112410 124900 134892 168615 187350 202338 224820 281025 337230 374700 404676 505845 562050 674460 843075 1011690 1124100 1560001 1686150 2023380 2529225 3120002 3372300 4680003 5058450 6240004 7800005 9360006 10116900 14040009 15600010 18720012 23400015 28080018 31200020 39000025 42120027 46800030 56160036 70200045 78000050 84240054 93600060 117000075 126360081 140400090 156000100 168480108 210600135 234000150 252720162 280800180 351000225 421200270 468000300 505440324 631800405 702000450 842400540 1053000675 1263600810 1404000900 2106001350 2527201620 3159002025 4212002700 6318004050 12636008100