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12028254800 = 2452172376907
BaseRepresentation
bin10110011001111000…
…01001101001010000
31011001021021122122112
423030330021221100
5144113213123200
65305315124452
7604033323152
oct131474115120
934037248575
1012028254800
1151126aa951
1223b82a3728
131198c78343
14821694ad2
154a5ea2535
hex2ccf09a50

12028254800 has 120 divisors (see below), whose sum is σ = 31928510016. Its totient is φ = 4331345920.

The previous prime is 12028254757. The next prime is 12028254863. The reversal of 12028254800 is 845282021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117947 + ... + 194853.

Almost surely, 212028254800 is an apocalyptic number.

12028254800 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 12028254800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15964255008).

12028254800 is an abundant number, since it is smaller than the sum of its proper divisors (19900255216).

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

12028254800 is a wasteful number, since it uses less digits than its factorization.

12028254800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76965 (or 76954 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The spelling of 12028254800 in words is "twelve billion, twenty-eight million, two hundred fifty-four thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 17 20 23 25 34 40 46 50 68 80 85 92 100 115 136 170 184 200 230 272 340 368 391 400 425 460 575 680 782 850 920 1150 1360 1564 1700 1840 1955 2300 3128 3400 3910 4600 6256 6800 7820 9200 9775 15640 19550 31280 39100 76907 78200 153814 156400 307628 384535 615256 769070 1230512 1307419 1538140 1768861 1922675 2614838 3076280 3537722 3845350 5229676 6152560 6537095 7075444 7690700 8844305 10459352 13074190 14150888 15381400 17688610 20918704 26148380 28301776 30070637 30762800 32685475 35377220 44221525 52296760 60141274 65370950 70754440 88443050 104593520 120282548 130741900 141508880 150353185 176886100 240565096 261483800 300706370 353772200 481130192 522967600 601412740 707544400 751765925 1202825480 1503531850 2405650960 3007063700 6014127400 12028254800