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142223016285 = 32573137393637
BaseRepresentation
bin1000010001110100100…
…1110000000101011101
3111121002202200210210200
42010131021300011131
54312233043010120
6145200352454113
713163263456230
oct2043511600535
9447082623720
10142223016285
1155353204189
122369224a339
13105472c194c
146c5297b417
153a75e87e90
hex211d27015d

142223016285 has 96 divisors (see below), whose sum is σ = 298686216192. Its totient is φ = 61218270720.

The previous prime is 142223016259. The next prime is 142223016317. The reversal of 142223016285 is 582610322241.

142223016285 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 23 + 0 + 1 + 628 + 5 = 666.

It is not a de Polignac number, because 142223016285 - 28 = 142223016029 is a prime.

It is a super-2 number, since 2×1422230162852 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 164487 + ... + 558123.

It is an arithmetic number, because the mean of its divisors is an integer number (3111314752).

Almost surely, 2142223016285 is an apocalyptic number.

142223016285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142223016285 is an abundant number, since it is smaller than the sum of its proper divisors (156463199907).

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

142223016285 is a wasteful number, since it uses less digits than its factorization.

142223016285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393723 (or 393720 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 142223016285 in words is "one hundred forty-two billion, two hundred twenty-three million, sixteen thousand, two hundred eighty-five".

Divisors: 1 3 5 7 9 15 21 31 35 37 45 63 93 105 111 155 185 217 259 279 315 333 465 555 651 777 1085 1147 1295 1395 1665 1953 2331 3255 3441 3885 5735 8029 9765 10323 11655 17205 24087 40145 51615 72261 120435 361305 393637 1180911 1968185 2755459 3542733 5904555 8266377 12202747 13777295 14564569 17713665 24799131 36608241 41331885 43693707 61013735 72822845 85419229 101951983 109824723 123995655 131081121 183041205 218468535 256257687 305855949 427096145 451501639 509759915 549123615 655405605 768773061 917567847 1281288435 1354504917 1529279745 2257508195 3160511473 3843865305 4063514751 4587839235 6772524585 9481534419 15802557365 20317573755 28444603257 47407672095 142223016285