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12077688200 = 23521924092
BaseRepresentation
bin10110011111110001…
…01110010110001000
31011011201022010112012
423033320232112020
5144213342010300
65314242435052
7605203440644
oct131770562610
934151263465
1012077688200
1151385a39a6
122410962a88
1311a6295886
14828081c24
154aa4b9435
hex2cfe2e588

12077688200 has 108 divisors (see below), whose sum is σ = 29708976015. Its totient is φ = 4565617920.

The previous prime is 12077688173. The next prime is 12077688269. The reversal of 12077688200 is 288677021.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 9889506916 + 2188181284 = 99446^2 + 46778^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=77710.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 29529596 + ... + 29530004.

Almost surely, 212077688200 is an apocalyptic number.

12077688200 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 12077688200

12077688200 is an abundant number, since it is smaller than the sum of its proper divisors (17631287815).

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

12077688200 is an equidigital number, since it uses as much as digits as its factorization.

12077688200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 12077688200 in words is "twelve billion, seventy-seven million, six hundred eighty-eight thousand, two hundred".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 152 190 200 361 380 409 475 722 760 818 950 1444 1636 1805 1900 2045 2888 3272 3610 3800 4090 7220 7771 8180 9025 10225 14440 15542 16360 18050 20450 31084 36100 38855 40900 62168 72200 77710 81800 147649 155420 167281 194275 295298 310840 334562 388550 590596 669124 738245 777100 836405 1181192 1338248 1476490 1554200 1672810 2952980 3178339 3345620 3691225 4182025 5905960 6356678 6691240 7382450 8364050 12713356 14764900 15891695 16728100 25426712 29529800 31783390 33456200 60388441 63566780 79458475 120776882 127133560 158916950 241553764 301942205 317833900 483107528 603884410 635667800 1207768820 1509711025 2415537640 3019422050 6038844100 12077688200