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28614894655600 = 2452117982321331
BaseRepresentation
bin1101000000110011011001…
…01000011001100001110000
310202022120001012121212100101
412200121230220121201300
512222311301012434400
6140505300124402144
76012233523254101
oct640315450314160
9122276035555311
1028614894655600
119132566053aa0
1232619123a6354
1312c74b05b9176
1470cd7adc23a8
153495145c056a
hex1a066ca19870

28614894655600 has 120 divisors (see below), whose sum is σ = 75946368049920. Its totient is φ = 10273701984000.

The previous prime is 28614894655583. The next prime is 28614894655601. The reversal of 28614894655600 is 655649841682.

It is a happy number.

It is a super-2 number, since 2×286148946556002 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28614894655601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40813066 + ... + 41508265.

It is an arithmetic number, because the mean of its divisors is an integer number (632886400416).

Almost surely, 228614894655600 is an apocalyptic number.

28614894655600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28614894655600 is an abundant number, since it is smaller than the sum of its proper divisors (47331473394320).

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

28614894655600 is a wasteful number, since it uses less digits than its factorization.

28614894655600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82321439 (or 82321428 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 64.

The spelling of 28614894655600 in words is "twenty-eight trillion, six hundred fourteen billion, eight hundred ninety-four million, six hundred fifty-five thousand, six hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 79 80 88 100 110 158 176 200 220 275 316 395 400 440 550 632 790 869 880 1100 1264 1580 1738 1975 2200 3160 3476 3950 4345 4400 6320 6952 7900 8690 13904 15800 17380 21725 31600 34760 43450 69520 86900 173800 347600 82321331 164642662 329285324 411606655 658570648 823213310 905534641 1317141296 1646426620 1811069282 2058033275 3292853240 3622138564 4116066550 4527673205 6503385149 6585706480 7244277128 8232133100 9055346410 13006770298 14488554256 16464266200 18110692820 22638366025 26013540596 32516925745 32928532400 36221385640 45276732050 52027081192 65033851490 71537236639 72442771280 90553464100 104054162384 130067702980 143074473278 162584628725 181106928200 260135405960 286148946556 325169257450 357686183195 362213856400 520270811920 572297893112 650338514900 715372366390 1144595786224 1300677029800 1430744732780 1788430915975 2601354059600 2861489465560 3576861831950 5722978931120 7153723663900 14307447327800 28614894655600