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143220004512 = 253133679051
BaseRepresentation
bin1000010101100010010…
…0111101011010100000
3111200200020201001112120
42011120210331122200
54321303310121022
6145443325424240
713230060644364
oct2053044753240
9450606631476
10143220004512
1155814a601a2
122391010b080
1310675a16000
146d091432a4
153ad3771d5c
hex215893d6a0

143220004512 has 96 divisors (see below), whose sum is σ = 407268227520. Its totient is φ = 44067628800.

The previous prime is 143220004507. The next prime is 143220004531. The reversal of 143220004512 is 215400022341.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128614 + ... + 550437.

It is an arithmetic number, because the mean of its divisors is an integer number (4242377370).

Almost surely, 2143220004512 is an apocalyptic number.

143220004512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143220004512 is an abundant number, since it is smaller than the sum of its proper divisors (264048223008).

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

143220004512 is an equidigital number, since it uses as much as digits as its factorization.

143220004512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679103 (or 679069 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 143220004512 its reverse (215400022341), we get a palindrome (358620026853).

The spelling of 143220004512 in words is "one hundred forty-three billion, two hundred twenty million, four thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 169 208 312 338 416 507 624 676 1014 1248 1352 2028 2197 2704 4056 4394 5408 6591 8112 8788 13182 16224 17576 26364 35152 52728 70304 105456 210912 679051 1358102 2037153 2716204 4074306 5432408 8148612 8827663 10864816 16297224 17655326 21729632 26482989 32594448 35310652 52965978 65188896 70621304 105931956 114759619 141242608 211863912 229519238 282485216 344278857 423727824 459038476 688557714 847455648 918076952 1377115428 1491875047 1836153904 2754230856 2983750094 3672307808 4475625141 5508461712 5967500188 8951250282 11016923424 11935000376 17902500564 23870000752 35805001128 47740001504 71610002256 143220004512